A parliament is a legislature, especially in those countries whose system of government is based on the Westminster system modelled after that of the United Kingdom. The name is derived from the French parlement, the action of parler (to speak): a parlement is a talk, a discussion, hence a meeting (an assembly, a court) where people discuss matters.
Legislatures called parliaments typically operate under a parliamentary system of government in which the executive is constitutionally answerable to the parliament. This can be contrasted with a presidential system, on the model of the United States' congressional system, which operate under a stricter separation of powers whereby the executive does not form part of, nor is appointed by, the parliamentary or legislative body. Typically, congresses do not select or dismiss heads of governments, and governments cannot request an early dissolution as may be the case for parliaments. Some state