Write the basic difference between imperialism and Colonialism

Write the basic difference between imperialism and Colonialism 

Imperialism	Colonialism
Imperialism means act of expansion of border by powerful country.	Colonialism means Policy of rules by powerful country to poor any small country.
it begins with the origin of human civilization.	It begins after the industrial revolution in England
it is still seen in the old as the interference of big country to the poor and small like India.	after the Second World War Colonialism   has been almost ended.
Ottoman Empire Roman Empire are the example	love British over India is the example.