To disturb or halt (an ongoing process or action, or the person performing it) by interfering suddenly.
To assert to (a computer) that an exceptional condition must be handled.
To divide; to separate; to break the monotony of.
An event that causes a computer or other device to temporarily cease what it was doing and attend to a condition.
To prevent any would-be attacker from coming close by adopting an offensive posture.
To stand some distance apart from something or someone.