The word 代表 (dài biǎo) literally combines 代 (dài), meaning 'to substitute' or 'generation', and 表 (biǎo), meaning 'to show', 'surface', or 'expression'. Together, they convey the core idea of standing in for someone or something — either as a person who speaks or acts on behalf of others (a representative), or as an action (to represent). As a noun, it commonly refers to delegates, ambassadors, or spokespersons, especially in formal contexts like government, conferences, or organizations. As a verb, it indicates symbolic or functional representation — for example, a landmark representing a city or a value representing a principle.

It is frequently used in political, institutional, and cultural settings: national delegations, company representatives at trade fairs, or even abstract usage like 'this painting represents traditional Chinese aesthetics'. While neutral in register, it carries formality — you wouldn’t use it casually for friends covering your shift; instead, you’d say 帮忙 or 代替. It’s also common in compound words like 代表大会 (People’s Congress) or 代表作 (masterpiece, lit. 'representative work').