высказывание, смысловая ситуация, семантика действия, тема, рема, Language. Linguistic theory. Comparative grammar, P101-410, Semantics, P325-325.5

A sentence is just a particular case of the utterance and may not always be a translation unit. The utterance closest to the translation unit may have translation versions arising from the understanding of the speech information content. Logical-and-semantic analysis of the utterance components and its translation is characterized by the distinct asymmetry.