The keyword term "patriots day national holiday" functions as a noun phrase. In this construction, the primary or "head" noun is "holiday." The other words serve as modifiers that specify the type of holiday being discussed.
A grammatical breakdown reveals how the components of the phrase work together. "Holiday" is the core noun. It is modified by the adjective "national," which specifies its scope. The term "Patriots' Day" is a proper noun that acts as a noun adjunct, meaning it is a noun used to modify another noun. In the same way "history" modifies "teacher" in the phrase "history teacher," "Patriots' Day" modifies "holiday" to identify the specific event. Therefore, the entire phrase refers to a single, specific concept: a holiday with the attributes of being national and being Patriots' Day.
Understanding this phrase as a noun is crucial for article development. It establishes the subject of the article as a specific entity or concept to be defined, described, and explained. The article's purpose would be to provide information about this subject, addressing questions such as its existence, its official status (Patriots' Day is a state, not a federal, holiday), its history, and its cultural significance. The focus is on the "what" of the topic, which is characteristic of a noun-centric subject.
