Thai is a tonal language - that is the tone used to pronounce a word can change its meaning. Thai has five tones -- low, middle, high, rising and falling. For example, the word 'mai' in a falling tone means 'not' but at the end of a sentence with a high tone it indicates a question.
Postcolonialism or postcolonial studies is an academic discipline that analyzes, explains, and responds to the cultural legacy of colonialism and imperialism. Postcolonialism speaks about the human consequences of external control and economic exploitation of a native people and its lands.
Postmodernism. A general and wide-ranging term which is applied to literature, art, philosophy, architecture, fiction, and cultural and literary criticism, among others. Postmodernism is largely a reaction to the assumed certainty of scientific, or objective, efforts to explain reality.