everyday speech; colloquial language
Refers to the ordinary spoken language used in daily conversation, as opposed to formal or written language.
In everyday speech, more casual expressions are used.
口語 is a broader term for spoken or colloquial language, while 通常口語 specifically emphasizes ordinary, everyday usage.
文語 refers to written or literary language, the opposite of 口語.
Compound of 通常 (tsūjō, 'usual, ordinary') and 口語 (kōgo, 'spoken language').