The keyword term "patriots day national" functions grammatically as a noun phrase. The core of this phrase is the proper noun "Patriots Day," which names a specific holiday. The word "national" serves as an adjective that modifies this noun.
In this construction, "Patriots Day" is a compound proper noun that acts as the head of the phrase, establishing the primary subject. The term "national" is a postpositive adjective, meaning it is placed after the noun it modifies. While standard English syntax might prefer "National Patriots' Day," the keyword's structure still clearly defines a specific entity ("Patriots Day") and qualifies it with a descriptive attribute ("national"). The grammatical relationship is unambiguous: the adjective specifies the scope or nature of the noun.
Identifying the term as a noun phrase is crucial because it dictates the article's focus. The primary subject must be the holiday itself, as established by the noun "Patriots Day." The adjective "national" provides the specific angle or thesis, requiring the content to explore the holiday's nationwide context, contrast it with its regional origins, or discuss its status at a federal level. This grammatical understanding ensures the article directly addresses the entity and the specific characteristic the user is searching for.
