Members of Parliament (MPs): MPs are individuals who serve as representatives in the legislative branch, including those who belong to the Chamber of Deputies.
House of Commons: The House of Commons is another term used to describe the lower house in some countries' parliamentary systems. It is composed of elected representatives who debate and pass laws.
Upper House/Senate: The upper house or senate is often paired with the Chamber of Deputies in bicameral legislatures, representing regional or state interests and providing checks and balances on legislation proposed by other bodies.