- One specific aspect of situational use of language is that of address term usage.
- Address terms, as an essential part of language communication, are closely related to culture.
- For functional linguistics,the translation of address terms should reproduce the ideational function as well as interpersonal function.
- Vagueness manifested by address terms is self-evident in language communication, but it is very often ignored by linguists and so far, not much research has been done to it.
- Gu Yueguo proposed five maxims of Chinese politeness, the self-denigration maxim, the address term maxim, the refinement maxim and the virtues-words-deeds maxim.