What does the yellow card in football mean?

Answer 1

A yellow card is shown to a player or substitute who is being cautioned and is basically a formal warning. If a player or substitute is cautioned twice in the same match, they are sent off which is indicated by showing them a red card.

Answer 2

It indicates that a foul has been committed.

Answer 3

Challenge Flag

Answer 4

it is a warning

Answer 5

There is a penalty on the play.

Answer 6

penalty