You could try the last 2mins of this vid (from 4:13 in):
This one sets out the key facts and terms
This one sets out the role of an MP; you can find more resources on this topic here.
The UK Parliament has traditions going back several centuries, such as the formal procedures around the State Opening of Parliament, in which the monarch addresses both Houses (of Commons and Lords) and sets out what 'her government' intends to do over the coming year.
Such ceremony is an important tradition say some; others argue that its offputting - what do you think?