The keyword term "concord patriots day parade 2025" functions grammatically as a proper noun or a noun phrase. It operates as a single, cohesive unit to name a specific, unique event.
In this phrase, the word "parade" is the head noun, which identifies the core subject. The other components serve as modifiers to specify which parade is being referenced. "Concord" is a proper noun used as an adjective (a noun adjunct) to indicate location. "Patriots Day" is a compound noun, also functioning as an adjectival modifier to describe the occasion. The numeral "2025" acts as an adjective specifying the year.
Because the entire phrase functions as a noun, it can serve as the main subject or object within a sentence. This grammatical classification is fundamental for constructing an article where the event itself is the central topic. For example, in the sentence, "The [concord patriots day parade 2025] is a significant regional event," the keyword phrase acts as the subject, establishing it as the article's main point of focus.