adjectival vs descriptive

Of or relating to or functioning as an adjective. 

Of or relating to procedure, especially to technicalities thereof. 

Of, relating to, or providing a description. 

Describing and seeking to classify, as opposed to normative or prescriptive. 

Of an adjective, stating an attribute of the associated noun (as heavy in the heavy dictionary). 

Describing the structure, grammar, vocabulary and actual use of a language.