As in the Commons, the Government and the Opposition face each other. The Government and the Bishops sit on the right of the Lord Speaker. The Opposition parties sit on the benches to the left of the Lord Speaker while the Crossbench Peers sit mostly on benches that cross the Chamber of the House of Lords behind the clerks' table.
In both the Commons and the Lords, Government ministers and Opposition shadow ministers sit on the front benches and are known as 'frontbenchers'.
MPs and Members of the Lords who do not hold ministerial positions sit towards the back of the Chamber and are known as 'backbenchers'.
MPs and Members of the Lords do not have to belong to a political party. Instead, MPs can sit as Independents and Lords can sit as Crossbenchers or Independents.
The Anglican Archbishops of Canterbury and York, the Bishops of Durham, London and Winchester and the 21 other senior diocesan bishops of the Church of England have seats in the Lords. This is for historical reasons. When they retire as bishops their membership of the House ends.
Members of either the House of Commons or House of Lords can change political party at any time - known as 'crossing the floor'. The term comes from the fact that, traditionally, Members of Parliament from opposing parties sit on opposite sides of the Chamber.
Therefore, a Member who changes party usually has to cross the floor of the House to sit on the other side of the Chamber. The term is used to signify the changing of