nounssubject
nounssubject is a term used to refer to the syntactic and semantic role in which a noun or noun phrase functions as the subject of a clause. In many languages the subject is the primary participant that governs agreement with the verb and often corresponds to entities that perform or undergo actions, such as agents, experiencers, or themes. The label emphasizes the interaction between nominal categories and the grammatical function of subjecthood.
Properties attributed to nounssubject include control over verbal agreement (number, person, gender), licensing of case marking
Cross-linguistic variation affects how nounssubjects are expressed: in pro-drop languages subjects may be omitted when recoverable;
In syntactic theory, nounssubjects are central to discussions of argument structure, agreement mechanisms, and phrase structure.