MORPHEMES
GRAMMATICAL UNITS
PHRASES
WORDS
CLAUSES
They are meaningful elements which Combine with each other in a structural pattern and which can be graded according to size of unit.
They consist of one or more phrases and the part of grammar dealing with words is syntax.
They consist of one or more words and the part of grammar dealing with words is syntax.
They consist of one or more morphemes and the part of grammar dealing with words is syntax.
They are parts of words, i.e., stems, prefixes, suffixes. The part of grammar dealing with morphemes is morphology.