What game time means?

What game time means? /ˈɡeɪm taɪm/ (North American English) ​the time when a sports game starts. Game-time is at 4 p.m. a game-time decision (= a decision made at the start of a game, usually about whether a particular player will play)

/ˈɡeɪm taɪm/ (North American English) ​the time when a sports game starts. Game-time is at 4 p.m. a game-time decision (= a decision made at the start of a game, usually about whether a particular player will play)