The keyword phrase "patriot day images" functions as a noun phrase. Within this phrase, the primary grammatical component that constitutes the "main point" is the head noun, "images."
To elaborate, "Patriot Day" is a proper compound noun that refers to a specific commemorative day. In the context of "Patriot Day images," "Patriot Day" acts as a noun adjunct (or attributive noun), modifying "images." This means "Patriot Day" specifies the type or subject matter of the "images," thereby performing an adjectival function. However, its inherent part of speech remains a noun. The word "images" is the head noun of the phrase, denoting the central object being discussed. Therefore, while "Patriot Day" modifies "images," the core subject and the main point in terms of part of speech is the noun "images," around which the descriptive elements are structured.
In essence, the entire phrase "patriot day images" collectively serves to name a specific category of visual content, functioning as a complete noun phrase. When identifying the "main point" part of speech, it refers to the noun "images," which is the central object being modified.
