The House of Commons and the House of Lords vote on specific motions within debates or in committee by dividing. In the House of Commons the Speaker calls for a vote by announcing 'Clear the Lobbies'. Division bells ring throughout the building and MPs have eight minutes to get to the division lobby before the doors are closed. The results of the vote are referred to as divisions and the division lists show how the Members have voted in the Aye and No Lobbies.
In the House of Lords the process is the same except that the lobbies are called the Contents Lobby and the Not Contents Lobby and the announcement 'Clear the Bar' is called.