When a program does not maintain state (is stateless) or when the infrastructure of a system prevents a program from maintaining state, it cannot take information about the last session into the next, such as settings the user chose or conditions that arose during processing.
There are two types of contracts: an expressed contract, which states the promises in clear language, and an implied contract, which is where behaviors or actions lead parties to believe an agreement exists.he contract Miguel entered into is an expressed contract because the elements are specifically stated, including offer, acceptance and consideration. To break it down, a contract contains six elements: 1  An offer. 2  Acceptance of the offer.
Expressed definition, to put (thought) into words; utter or state: to express an idea clearly. See more.