Glossary of Terms & Definitions

Updated September 24, 2026

Looking up a league acronym or an unfamiliar soccer term? This youth soccer glossary explains the organizations, team and registration terms, tournament formats, college recruiting language, and on-field vocabulary parents encounter. Browse by section to find a plain-English definition and links to more detailed guidance.

Organizations, Leagues & Pathways

Term	Definition
Academy	A development-focused soccer program; the name can describe a professional-club academy or an independent youth program, so check the specific team and competition rather than assuming the label identifies one level (USSP competition guide; USSP pathways guide).
AYSO	American Youth Soccer Organization, a national nonprofit offering community-based soccer programs built around participation, balanced teams, positive coaching, and player development (AYSO).
Club-based league	A competition structure in which clubs are admitted as members, usually fielding teams across multiple age groups, rather than each team qualifying independently (USSP competition guide; National 1).
Competitive soccer / travel soccer / select soccer	Common labels for soccer programs that select players for teams, often through tryouts, and typically involve more training, travel, and financial commitment than recreational soccer; the labels do not establish a uniform national playing level (Soccer terminology; USYS playing rules).
DPL	Development Player League, a national girls’ soccer league with regional conference competition, showcases, and postseason events (DPL).
EA / EAL	Elite Academy League, commonly branded EA, is a boys’ youth soccer platform with regional conferences and national events; an EA team and an MLS NEXT Academy Division team are not the same roster designation (USSP EA guide).
ECNL	Elite Clubs National League, a club-based youth soccer platform with boys’ and girls’ competitions, national events, and postseason play (USSP pathways guide; ECNL).
ECNL Regional League / ECRL	The regional competition platform within the ECNL system for boys and girls, officially abbreviated ECNL RL and often called ECRL by families; it has its own league competition, events, and postseason pathway (ECNL; USSP competition guide).
EDP	Elite Development Program, generally known as EDP Soccer, is an organizer of youth soccer leagues and tournaments rather than the name of a single competition level (EDP Soccer).
Girls Academy / GA	A national girls’ youth soccer development and competition platform organized around member clubs, with league play and a player-led advisory structure (Girls Academy).
GA Aspire	The second-tier competition within the Girls Academy system, offering regional league play and showcase opportunities for accepted clubs, including second teams from some GA clubs (Girls Academy).
MLS NEXT	Major League Soccer’s youth development platform, with two competition divisions: Homegrown and Academy; it is distinct from the professional MLS NEXT Pro league (MLS NEXT; MLS NEXT Pro).
MLS NEXT Academy Division	An MLS NEXT competition division designed to broaden access to the platform; families may also encounter the informal label “MLS NEXT 2” (MLS NEXT; USSP competition guide).
MLS NEXT Homegrown Division	The top competition division within MLS NEXT, including MLS club academies and independent academies; the division’s name does not mean every participant has a professional Homegrown contract (MLS NEXT).
NAL	National Academy League, a youth soccer league for boys and girls organized around a club-versus-club competition model (National Academy League).
National 1 / N1	National 1 League, a joint US Club Soccer and US Youth Soccer team-based competition that brought together the former NPL and USYS National League platforms (National 1; USSP National 1 guide).
NPL	National Premier Leagues, a former US Club Soccer competition platform that was brought together with USYS National League under National 1; older club materials may use this name (National 1).
Recreational soccer / rec soccer	Participation-focused soccer generally open to eligible players without ability-based tryouts, emphasizing learning, enjoyment, and balanced participation rather than selecting the strongest team (USYS playing rules; AYSO).
Team-based league	A competition structure in which individual teams gain entry or advancement based on the competition’s criteria, rather than participation depending solely on whole-club membership (National 1).
U.S. Soccer / USSF	The U.S. Soccer Federation, the national governing body for soccer in the United States, overseeing national teams and working with member organizations across the game (U.S. Soccer; USSP pathways guide).
US Club Soccer	A national soccer organization focused on club development, providing player registration, competition platforms, identification programs, and other services (US Club Soccer; US Club Soccer mission).
US Youth Soccer / USYS	A national youth soccer organization supporting state associations, clubs, leagues, and player-development programs (U.S. Soccer).
USYS National League	A former US Youth Soccer competition platform that was brought together with US Club Soccer’s NPL under National 1 (National 1).

Teams, Registration & Age Groups

Term	Definition
Age group / U8, U10, U12, etc.	An eligibility category based on a competition’s birth-date cutoff, with “U” meaning “under”; use the season’s age-group chart rather than a player’s age on the day of a match (Soccer terminology; US Club Soccer).
Birth-year grouping	Grouping players by calendar-year birth dates, January 1 through December 31; whether it applies depends on the competition (US Club Soccer; USSP EA guide).
Club pass	A rule allowing an eligible player registered with one club to play for another team in that same club, subject to the competition’s age, roster, and participation restrictions (USYS competition rules; National 1 handbook).
Commitment	A player or family’s acceptance of a club or team place; accepting an offer, signing an agreement, paying a deposit, and becoming officially registered can have different consequences under club and competition rules (USSP registration guide; National 1 handbook).
Dual rostering	Being listed on two team rosters during the same season, where permitted; the governing organization and competition determine whether multiple rostering is allowed (USYS playing rules; National 1 handbook).
Guest player	A registered player participating in a competition for a team other than the one they are rostered with for league play, subject to the event’s eligibility and approval rules (USYS playing rules; USSP tournament guide).
Player pass / player card	An organization-issued credential used to verify a player’s registration and eligibility for competition; the accepted digital or printed format depends on the event or league (US Club Soccer rules; National 1 handbook).
Playing up	Training or competing with an older age group than the one a player normally qualifies for; this can be temporary or a season-long placement (USSP playing-up guide).
Registration	The formal process of enrolling a player with the relevant club or governing organization, typically involving required forms and fees; registration and assignment to a particular team roster are separate steps (USYS playing rules; USSP registration guide).
Release	The formal removal of a player from a team roster, requested by the player or team under applicable rules; a roster release does not necessarily cancel a family’s payment obligations (USYS playing rules; USSP registration guide).
Roster	The official list of players eligible for a team; a season or tournament roster may differ from the smaller list permitted to participate in a particular match (USYS playing rules; US Club Soccer rules).
Roster spot / team offer	An invitation to join a particular team; families should confirm the team, league, coach, acceptance terms, and registration requirements before treating the offer as finalized (USSP EA guide; USSP registration guide).
School-year grouping	Grouping players using a birth-date window intended to align more closely with school cohorts, such as August 1 through July 31; the applicable cutoff depends on the competition (US Club Soccer; USSP EA guide).
Transfer	Moving a player’s roster registration from one team to another, within a club or between clubs, subject to applicable release procedures, eligibility limits, and transfer windows (USYS playing rules; National 1 handbook).
Trapped player	A player whose soccer age group does not align with their school grade, commonly an eighth grader on a team whose older teammates leave for high school soccer, reducing club-playing opportunities during that period (US Club Soccer).
Tryout	An evaluation session or process in which coaches assess players for team selection or placement (USYS playing rules; Soccer terminology).

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Games & Tournaments

Term	Definition
Bracket / flight	A grouping of teams within an event, usually organized by age and competitive level; “bracket” can also refer to the chart showing matchups and advancement (USSP tournament guide; US Club Soccer rules).
Friendly	A match arranged outside regular league or tournament competition, often for preparation or development rather than standings (Soccer terminology).
Goal differential	Goals scored minus goals conceded, sometimes used to separate teams tied in the standings; an event may cap how much any one match contributes (USSP tournament guide).
Knockout / elimination round	A competition stage in which the winner advances and the loser is eliminated from that championship bracket (USSP tournament guide).
Pool play / group stage	The part of an event in which teams play scheduled opponents within a group and accumulate results or standings points before any next stage (USSP tournament guide).
Round robin	A format in which each team plays every other team in its group; the event may determine a winner by standings or use those results to qualify teams for a later round (USSP tournament guide).
Sanctioned event	An event formally approved by a soccer governing or sanctioning organization under its requirements; parents should check which organization sanctioned it and which teams and player credentials it accepts (US Club Soccer; USSP tournament guide).
Showcase	An event designed to give players opportunities to be evaluated by college coaches or other scouts, rather than focusing only on a championship (Soccer terminology).
State Cup	A state-level cup competition; within USYS, a State Association administers qualifying competition to determine representatives for the relevant national championship pathway (USYS competition rules).
Stay-to-play	An event requirement for participating teams or traveling families to book accommodation through designated hotels or a booking provider, subject to the event’s exemption rules (USSP tournament guide).
Tiebreaker	A rule used to separate teams level on standings points, such as head-to-head results or goal differential; the order and treatment of multi-team ties are event-specific (USSP tournament guide).

Development & College Recruiting

Term	Definition
Athletic scholarship	Financial aid awarded by a college for athletics participation, which may cover part or all of specified college costs; NCAA Division III schools do not award athletic scholarships (NCAA; NCAA Division III).
Athletics aid agreement	A written agreement setting out a school’s offer of athletics-related financial aid and its terms, distinct from a verbal recruiting commitment (NCAA; NCAA student-athlete guide).
College ID camp	A college- or third-party-run training and evaluation camp where players seek exposure to college coaches; “ID” means identification (Soccer terminology).
Eligibility	Meeting the applicable academic, enrollment, and sport-participation requirements to compete; college admission and athletic eligibility are related but separate decisions (NCAA student-athlete guide; NCAA Eligibility Center; NCAA Division III).
Gap year	Time between finishing high school and beginning full-time college, often used for work, study, travel, or training; continuing organized competition during delayed enrollment can affect NCAA eligibility (NCAA student-athlete guide).
JUCO	Short for junior college, commonly used in recruiting to refer to the two-year college route; it is not the name of a single athletics association (NCAA NIL guidance; NJCAA).
NAIA	National Association of Intercollegiate Athletics, a governing organization for college athletics with its own member schools and competition system, separate from the NCAA (NAIA).
NCAA	National Collegiate Athletic Association, a member organization governing college athletics competitions and eligibility at its participating institutions (NCAA student-athlete guide; NCAA membership).
NCAA Division I, II & III / D1, D2 & D3	The NCAA’s three membership divisions, with different rules and institutional approaches to athletics; Division III does not offer athletic scholarships, though other financial aid may be available (NCAA student-athlete guide; NCAA Division III).
NCAA Eligibility Center	The NCAA service that registers prospective student-athletes and certifies the academic and athletics eligibility required for their division and circumstances (NCAA Eligibility Center; NCAA Division III).
NJCAA	National Junior College Athletic Association, a governing body for two-year college athletics, including soccer, at its member institutions (NJCAA).
NIL	Name, image, and likeness, referring to an athlete’s identity and its commercial use, such as compensation for endorsements, appearances, or promotional content, subject to applicable eligibility and reporting rules (NCAA NIL guidance).
ODP	Olympic Development Program, US Youth Soccer’s supplemental talent-identification and development program, with opportunities beginning through state associations (US Youth Soccer).
Official visit	In NCAA recruiting, a college visit paid for in whole or in part by the school being visited, subject to the applicable recruiting rules (NCAA student-athlete guide).
Recruiting	The process through which a college or other program evaluates and communicates with prospective players about joining its team; NCAA communication rules vary by sport, division, and timing (NCAA).
Scouting	Observing and evaluating players to identify talent or assess suitability for a program; being watched is an evaluation activity, not itself an offer (Soccer terminology; NCAA student-athlete guide).
Unofficial visit	In NCAA recruiting, a college visit whose expenses are paid by the prospective student-athlete or family rather than the school, subject to the applicable recruiting rules (NCAA student-athlete guide).
Verbal commitment	A nonbinding statement that a player intends to attend and play for a particular college, rather than a signed athletics aid agreement (NCAA student-athlete guide; NCAA).

On-Field Terms & Formats

Term	Definition
Build-out line	A marked line used in certain small-sided youth formats to encourage playing out from the back, with opponents retreating behind it for specified goalkeeper restarts; its use and related offside rules depend on the competition (U.S. Soccer).
Build-up play	The process of starting and developing an attack, commonly through passing combinations that move the ball forward from deeper areas (FIFA Training Centre).
Corner kick	An attacking restart taken from the corner area, usually awarded when the whole ball crosses the goal line outside the goal after last touching a defender (Soccer terminology).
Formation	A team’s starting arrangement of players, such as 4-3-3 or 4-4-2, describing how players are distributed across the field (Soccer terminology).
Free kick: direct & indirect	A direct free kick may score directly into the opponents’ goal; an indirect free kick must touch another player before a goal can be scored (IFAB glossary).
Futsal	A form of soccer played on a smaller hard-surface court with five players per team, including a goalkeeper, using a smaller, lower-bounce ball and its own rules (FIFA futsal laws; FIFA futsal manual).
Goal kick	A defending-team restart awarded when the whole ball crosses the goal line outside the goal after last touching an attacking player (Soccer terminology).
Handball	An offence involving prohibited hand or arm contact, including deliberate handling or certain contacts that make the body unnaturally bigger; not every touch of the hand or arm is an offence (IFAB Law 12).
Offside	Under the standard law, a player whose head, body, or feet are in the opponents’ half and nearer their goal line than both the ball and second-last opponent when a teammate plays or touches the ball is penalized only if they then become involved in play in a way defined as offside (IFAB Law 11).
Penalty kick / PK	A kick from the penalty mark, normally awarded for a direct-free-kick offence committed by a defending player inside their own penalty area; penalties used in a shootout are a separate method of deciding a tied match (IFAB Law 14; IFAB glossary).
Positions: goalkeeper, defender, midfielder & forward	Broad player roles: goalkeepers protect the goal, defenders help prevent scoring, midfielders connect play between defense and attack, and forwards focus on creating and finishing scoring chances (Soccer terminology).
Possession	Control of the ball by a player or team; possession statistics describe how much of the measured playing time each team controls it (FIFA Training Centre; Soccer terminology).
Pressing	Applying pressure to opponents with the ball to disrupt their play, force a mistake, or regain possession (Soccer terminology; FIFA Training Centre).
Set piece	A planned action from a stopped-ball restart, such as a corner kick or free kick (Soccer terminology).
Small-sided soccer / 4v4, 7v7, 9v9 & 11v11	Small-sided soccer uses fewer than 11 players per team, such as 4v4, 7v7, or 9v9, usually on smaller fields; 11v11 is the full-sided format, not a small-sided game (U.S. Soccer; Soccer terminology).
Substitution	Replacing a player on the field with another eligible player; the permitted number of changes and whether a replaced player may return depend on the competition (Soccer terminology; US Club Soccer rules).
Transition	The change from attacking to defending when a team loses possession, or from defending to attacking when it wins the ball (Soccer terminology; FIFA Training Centre).
Yellow card / red card	A yellow card communicates a caution and a red card a sending-off; under the standard outdoor laws, two cautions in one match mean a sending-off, and a player sent off after kickoff cannot be replaced (IFAB glossary).

Professional Leagues & National Teams

Term	Definition
Concacaf	The Confederation of North, Central America and Caribbean Association Football, the regional soccer governing organization that runs club and national-team competitions across that region (Concacaf).
FIFA	Fédération Internationale de Football Association, the world governing body for soccer and organizer of major international competitions, including the men’s and women’s World Cups (FIFA).
MLS	Major League Soccer, a top-flight men’s professional soccer league with clubs in the United States and Canada (Major League Soccer).
MLS NEXT Pro	A men’s professional league in the United States and Canada that forms part of the pathway between youth development and first-team professional soccer; it is separate from the MLS NEXT youth divisions (MLS NEXT Pro; MLS NEXT).
NWSL	National Women’s Soccer League, a women’s professional soccer league with clubs in the United States (NWSL).
USL	United Soccer League, an organization operating multiple professional, pre-professional, and youth soccer competitions rather than a single league (USL overview; USL competitions).
USL League Two	A men’s pre-professional competition within USL, providing a development environment that includes college players (USL overview; USL competitions).
USL W League	A women’s pre-professional competition within USL, distinct from the organization’s professional women’s league (USL overview; USL competitions).
USMNT	United States Men’s National Team, the senior men’s team representing the United States in international soccer (U.S. Soccer).
USWNT	United States Women’s National Team, the senior women’s team representing the United States in international soccer (U.S. Soccer).
USYNT	United States Youth National Teams, the age-group national teams for boys and girls within U.S. Soccer, distinct from local clubs and league teams (U.S. Soccer).
World Cup	A FIFA international championship; in senior national-team soccer, the men’s FIFA World Cup and FIFA Women’s World Cup are separate competitions, distinct from youth and club World Cups (FIFA; FIFA World Cup; U.S. Soccer).