This document defines key terms related to postcolonial literature and criticism. It discusses colonialism as the establishment of settlements in distant territories subject to a parent state. Imperialism involves a metropolitan power ruling over distant territories, while neo-imperialism refers to economic control. Postcolonialism can refer to the temporal period after colonialism or an ideological critique of colonialism. However, some critique postcolonialism for presenting a linear view of history and ignoring ongoing aspects of colonialism. The document also notes social and racial differences within colonies were not fully captured.