To eliminate the confusion over the problem of UT, the various speech units involved in translation should have names of their own, with UT as their superordinate concept.

It defines the UT functionally as textual unit instead of language unit which maintains its textual integrity by performing three functions, viz.

They hold different views on language units and meaning realization,among which the general principle is that clauses realize situations while nominal groups realize things.

This paper announces the practicality of research of language unit.

As a Langackerian linguistic unit,as+X is at the same time a construction,whose form and meaning can never be predicted from either its constituents or other constructions because of its flexibility in form and independent meaning when treated as a whole.