The keyword phrase "patriots day logo" is a noun phrase. The main point or head of this phrase is the noun "logo".
In this construction, "patriots day" acts as a noun adjunct, which is a noun that modifies another noun. It functions like an adjective, specifying the type or subject of the logo. "Patriots day" is a proper noun identifying the specific holiday with which the logo is associated. The entire phrase refers to a single, specific concept: a graphic symbol representing the holiday of Patriots' Day.
This grammatical determination is crucial because it establishes that the core subject of the article is the visual design element (the logo) itself. The content should therefore focus on the symbolism, design, and application of this specific graphic, using "patriots day" to define its context and purpose, rather than focusing primarily on the history of the holiday.
