Kick-out clause – this term is used mostly in Contracts & Obligations Law, where means basically that the party has a right to modify an agreement. In some jurisdictions this term refers to a clause implemented in real estate sale…

Kickback agreement – in some jurisdictions this term refers to a type of agreement in the Employment Law, related to giving back to the developer part of the compensation due per the clauses of the labor contract.

Key person insurance – this legal term is part of the Insurance Law, where details a personal insurance, granting that in case of injury or labor unavailability, the business will be compensated for missed profit.

Key man insurance – used mostly in the sphere of Insurance Law, this legal term describes a business insurance policy concluded by a trading local corporate body with the intention to reimburse for damages/losses caused by the death or extended…

Key deposit – this term is used mostly in the sphere of Contracts & Obligations Law, and namely in property lease contracts, where to detail a deposit given to the property owner for giving the keys. See also http://en.wikipedia.org/wiki/Key_money