This meaning is used specifically in the context of playing chess or similar board games. It refers to a strategic action made by a player to advance their position or capture an opponent's piece.

This meaning is used to describe a clever or deceitful action that is done to achieve a particular purpose, often by deceiving someone else.

This is an informal expression used to indicate agreement or approval, similar to "OK" or "fine."

In some dialects, this character can be used to mean "to add" or "to put in."