The proletariat is distinguished from other classes such as the bourgeoisie in that it does not possess greater assets than its capacity for work, and therefore constitutes the basis of capitalist society of, as defined by Karl Marx, the "exploitation of man by man". The bourgeoisie, on the other hand, is the owner of the means of production and requires labor to generate consumer goods.

A presidential government is one in which there is an executive president,  with all executive powers and who combines the office of the of state and head of government while a parliamentary system of government, a clear distinction is made between the head of the state and the head of government. Here, the head of the state. King or Queen in Britain or President in India possesses nominal or titular authority whereas the real authority rests with the government of which the Prime Minister is the head.