A yellow card is a warning a red card means you have to leave the pitch and miss a game as well.
No there is no such thing as a blue card only yellow and red. yellow is a warning, two yellows means your off the pitch for the whole match and a red card means your off straight away for the whole match.
A yellow card is a warning for a foul committed. It can also given for being verbally abusive towards the referee or other players. It is also given for delaying a game, such as when a Goalie takes too long to take a goal kick.
The Official, besides being able to Caution a player with a Yellow Card or Expel a player from the field (Red Card), may also choose to warn the player of what he feels is not reckless or dangerous enough to warrant either a yellow or red card. Usually this means listening to the Referees reasoning of why he/she is warning you.
Green card in soccer means that when a player respects the referees' decision and be a sportsmanship person
It is a warning
If you have opened the memory card without the password, then it means that the password was not active.
A yellow card
If you take the memory card out while the system is off, no harm should be done to the card or data saved to it. If the system is running, however, it is possible for the card's memory to become corrupt.
A red card, or ejection
the answer is; warning
sometimes a card and sometimes they wll just speak to the player
In some poker games you can allow the joker to be any card you want it to represent. "Wild" in this case means that the card can be given any value or suite.