game structure
How an activity is organized: the playing area, number of players, how you score and how you win.
etiquette
The expected polite behaviour in an activity, often unwritten, such as staying quiet while others putt or re-racking weights.
target activity
Sending an object to a target, such as curling, bowling, archery, bocce or disc golf.
net/wall activity
Sending an object over a net or against a wall so the opponent can't return it, such as badminton, volleyball, pickleball or squash.
striking/fielding activity
One team strikes an object and runs to score while the other fields it, such as softball, cricket, rounders or kickball.
territory activity
Teams invade the other team's space to score in a goal or zone, such as soccer, basketball, hockey, ultimate or lacrosse.