The keyword phrase "patriots day lexington ma" functions as a proper noun phrase. In this construction, "Patriots Day" is the head noun, which is the core subject. The subsequent nouns, "Lexington" and "MA" (Massachusetts), act as noun adjuncts or locational modifiers, specifying the particular context and location of the event.
A grammatical breakdown of the components reveals their roles. "Patriots Day" is a compound proper noun, naming a specific state holiday. "Lexington" and "MA" are also proper nouns that specify a place. When placed after "Patriots Day," they do not act as separate entities but instead form a cohesive unit that modifies the main subject. This structure is common in search queries and titles where specificity is required. The entire phrase refers to a single, specific cultural event in a designated geographic area.
For the purpose of writing an article, recognizing this phrase as a proper noun phrase is crucial. It establishes that the article's central subject is a specific, named entity (the event) rather than a general concept, an action (verb), or a quality (adjective). Therefore, the article's content should focus on describing, explaining, and providing details about this particular event as it occurs in this specific location, treating the entire phrase as the name of the topic.
