Foul
do you mean like handball, offsides, foul?
When you trip them causing them to fall and is considered a foul
Professional foul
The referee can give a dissent charge against you if you make rude or insulting comments to or about the referee or linesmen.
A yellow flag means you have injured a player,foul,just like football.
It's "dissent" and it's basically arguing with the referee or officials.
kicking a goal
Yes you can! But it's a foul.
The soccer player was given a yellow card for a foul tackle on his opponent.
There is no such thing as disqualifying a foul in soccer. However, the referee may choose not to call a foul because it is trifling, because the referee is not certain that a foul was committed, or because the team offended by the infraction would gain an advantage by allowing play to continue.
The linesmen have a flag each. They use these to indicate, a foul, a throw in, a corner, an offside, a goal kick or a substitution.