Now for another question ... What is the yellow flag for?

Answer 1

it usuall on whether the ball goes out of bounds or a penalty occurs then it signals the team who gets the ball

Answer 2

It helps the assitant referee to signal and indicated to the referee:
• when the whole of the ball has passed out of the field of play
• which side is entitled to a corner kick, goal kick or throw-in
• when a player may be penalised for being in an offside position
• when a substitution is requested
• when misconduct or any other incident has occurred out of the
view of the referee
• when offences have been committed whenever the assistants are closer to the action than the referee (this includes, in particular circumstances, offences committed in the penalty area)
• whether, at penalty kicks, the goalkeeper has moved forward before the ball has been kicked and if the ball has crossed the line.
The yellow flag is equivalent to a sign language, that the assistant refeeree uses to indicate what's happening in the field, and the position of the flag indicates the what and where.

Answer 3

Are you referring ot the flags held by the linesmen - if so they use them to indicate to the referee that they have spotted an offense such as a foul of an offisde - they also use them to indicate which team has won a throw in by pointing them in the direction that the play will continue. Also used to indicate whether a ball has gone for a goal kick or a corner.

Answer 4

To say which team it went out on or which team was offsides.

Answer 5

depending on which way they point it it shows who gets position of the ball

Answer 6

caution, in car races