24 TERMS
Bracket
A diagram showing tournament matchups and how teams advance or are eliminated.
BO1 / BO3 / BO5
Best of one, three, or five. The number is the maximum games or maps in a series; the first team to win a majority takes the series.
Bye
A place in a bracket that lets a team advance without playing that round, often because the number of entrants does not fill the bracket evenly.
Caster
A commentator who describes the action, explains decisions, and adds analysis or entertainment to a broadcast.
Circuit
A series of connected competitions across a season. Results may determine standings, qualification, or a championship spot.
Coach
A staff member who helps players and teams prepare, review performance, and improve communication or strategy.
Co-stream
A creator-led broadcast of an event, usually with permission from the rights holder and commentary layered over the competition feed.
Double elimination
A format where a team is eliminated after two losses. After the first loss, it moves to a lower bracket.
Map
A playable level or arena selected for a match. In some games, teams play several maps in a series.
Meta
Short for metagame: the strategies, characters, weapons, or team compositions currently considered effective in a game.
Patch
A game update that may fix bugs or change balance. Competitive rules often specify which patch is used.
Qualifier
A competition that awards entry into a later stage or event. Qualifiers may be open to all eligible entrants or limited by region and ranking.
Roster
The players registered to represent a team in a competition. Rules may limit substitutes, changes, or eligibility.
Seed
A team’s placement entering a bracket or tournament. Seeding can affect early matchups and is assigned using event-specific rules.
Series
A set of games or maps between two opponents. A best-of-three series ends when one side wins two.
Single elimination
A knockout format where one loss removes a team from the tournament.
Scrim
A practice match, usually a scrimmage against another team, used to rehearse strategies and team coordination.
Stand-in
A temporary player who fills a roster spot, often because a regular player is unavailable. Event eligibility rules apply.
Swiss
A multi-round format that pairs teams with similar records. Teams advance or are eliminated after reaching preset win or loss thresholds.
Tactical pause
A brief pause requested by a team where allowed, often to discuss strategy. The number and length of pauses are defined by competition rules.
Tilt
A state of frustration that can affect a player’s decisions. Teams may use breaks and communication routines to reset.
Veto
A process where teams take turns removing or selecting maps before a series. The exact order depends on event rules.
LAN
Local area network. In esports, a LAN event usually means players compete together at a physical venue on a local network.
VOD
Video on demand: a recording of a broadcast or match that can be watched later, often used for review.
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