The keyword term "patriot day message" functions as a noun phrase. This composite term acts as a single unit referring to a specific type of communication.
To elaborate, "Patriot Day" is a proper noun that designates a specific observance, commemorating the September 11th attacks. When "Patriot Day" precedes "message," it functions adjectivally, modifying "message" by specifying its subject or occasion. "Message" itself is a common noun, referring to a communication. Therefore, the entire construction "patriot day message" identifies a type of messageone specifically related to or issued on Patriot Day. It is not a single word but a sequence of words that collectively serve the grammatical function of a noun, naming a concept or entity (a particular kind of message).
In the context of an article's keyword or topic, a noun phrase is highly appropriate as it precisely identifies the subject matter. Its role is to label, describe, or refer to a distinct concept, fulfilling the primary function of a noun.
