The keyword term is a noun phrase. The main point, or grammatical head of this phrase, is the noun "events." The preceding words, "Patriots Day," function as a compound adjectival modifier that specifies the context of the head noun.
In this grammatical construction, the final word determines the part of speech for the entire phrase. "Events" is the core subject being discussed. The proper noun "Patriots Day" acts as a noun adjunct, modifying the head noun by answering the question, "what kind of events?" This hierarchical structure, where nouns modify a subsequent noun, is a common method in English for creating specific, descriptive nominal groups.
Understanding that "events" is the main point is crucial for content creation. It dictates that the article's primary focus should be on the specific activities, happenings, ceremonies, or occurrences. The modifier "Patriots Day" provides the scope and theme. Therefore, the article's structure should be centered on describing, listing, or analyzing these specific happenings rather than on the abstract concept or history of the holiday itself.
