The keyword term "cast of patriot day movie" functions grammatically as a noun phrase. The central element of this phrase is the head noun "cast," which refers to the collective group of actors. The rest of the phrase serves to modify and specify this particular noun, distinguishing it from any other group of actors.
In this construction, "cast" is a collective noun. It is post-modified by the prepositional phrase "of patriot day movie." This entire prepositional phrase functions as an adjective, answering the question "Which cast?" Within that modifying phrase, the proper noun "Patriot Day" acts as an adjectival noun, specifying the common noun "movie." This layered modification creates a highly specific and identifiable subject.
Understanding this term as a noun phrase is crucial for its practical application in an article. It allows the entire phrase to function as a single grammatical unit, capable of being the subject, object, or complement of a sentence. This grammatical role establishes the group of actors as the central entity for discussion, making it the main point of any content developed around the keyword.
