What classes of words don’t have the concrete lexical meaning and possess the grammatical meaning only?

1. 
   What classes of words don’t have the concrete lexical meaning and possess the grammatical meaning only?
   

This can be explained by the fact that they have no referents in the objective reality. All function words belong to this group – articles, particles, prepositions, etc.

2. 
   What types of grammatical meaning do you know?
   

explicit and implicit

3. 
   What are types of implicit meaning?
   

Grammatical meaning expressed by the zero morpheme

4. 
   What is implicit grammatical meaning?
   

The implicit grammatical meaning is not expressed formally (e.g. the word table does not contain any hints in its form as to it being inanimate)

5. 
   What is explicit grammatical meaning?
   

The explicit grammatical meaning is always marked morphologically – it has its marker.

6. 
   What is general grammatical meaning?
   

meaning of the whole word-class, of a part of speech 

7. 
   How do we call the relation between two grammatical forms differing in meaning and external signs?