A more thorough explanation:

K

K is a shorthand symbol used by lawyers and law students to refer to a contract.

1. The parties signed a K to formalize their agreement.

2. The K specifies the terms and conditions of the sale.

The examples illustrate the use of K as a shorthand symbol for contract. In the first example, the parties signed a contract to formalize their agreement. In the second example, the contract specifies the terms and conditions of the sale. The use of K is common in legal writing and is a way to save time and space when referring to a contract.