The keyword term "patriots day film katherine russell" functions grammatically as a noun phrase. It operates as a single unit to name a specific and multifaceted subject, acting as a compound proper noun that identifies the article's core topic.
This noun phrase is constructed from a combination of nouns that work together to create a precise identifier. "Patriots Day" is a proper noun (the title of the film) that acts as a noun adjunct, modifying the common noun "film." This creates the specific unit "Patriots Day film." This unit is then combined with the proper noun "Katherine Russell" to narrow the focus to a particular person as she relates to that specific film. The entire phrase does not describe an action (verb) or quality (adjective), but rather names a distinct entity for discussion.
Recognizing the term as a noun phrase is a critical step because it defines the subject of the article as the intersection of these elements, not as separate topics. This ensures the content will be focused specifically on Katherine Russell within the context of the "Patriots Day" film. This grammatical classification dictates the article's scope, guiding the writer to treat the subject as a singular, unified concept for analysis and discussion, which is essential for both clarity and effective search engine optimization.