Basketball Cup is a competition of various trophies named after a specific name.
Basketball Cup usually refers to an event played by several teams (professional teams or national teams) in a few days, which can be domestic or international. League usually refers to domestic professional leagues and intercontinental leagues, both of which are long-term competitions.
Basketball group match means that when there are too many teams in a game, several teams are evenly distributed and play in a fair way, and then the winning team plays again until the final.
For example, in the final stage of the World Cup, 32 teams are divided into 8 groups by lottery, with 4 teams in each group, and the top two teams in each group will qualify for the semi-finals; After entering the semi-finals, 16 teams decided the schedule according to the established rules, no more lottery, and then single elimination matches were held until the champion was decided.