The essence of a chess game. Threats can be subtle, mating positional, etc. Threats are what you would do if you could play 12 or more moves without an opponent.

A THREAT is a move or plan which a player intends to carry out unless his opponent stops him. After 1. e2-e4 e7-e5 2. Qd1-h5, White ATTACKS e5, f7 and h7, but only Qh5xe5 is a THREAT: White THREATENS to take the e-pawn.

Being attacked. This term is new, coming from World of Warcraft specifically, meaning that a player is being attacked by a monster.

A threat is a mating continuation that is threatened after the key. Black is compelled to answer the threat with moves that create other weaknesses. A double threat is one that threatens two distinct mates.

an attack on something valuable to your opponent

a potential way an attacker can attack a system

A move which can win material, checkmate, or make progress next move if the opponent does not stop it. Attacks on under-defended pieces are an example of a threat.

A move which contains an implied or expressed attack on a piece or Pawn or the position of the opponent.