The keyword phrase "patriot day for kindergarten video" primarily functions as a nominal phrase, with its central referent being a noun. Although composed of multiple words, the phrase collectively describes a specific type of media content, thereby occupying the grammatical role typically associated with a noun, which is to name a person, place, thing, or idea.
A detailed grammatical analysis clarifies this classification. "Patriot Day" is a compound proper noun, here functioning adjectivally to specify the subject matter of the video. The preposition "for" introduces the audience or purpose. "Kindergarten" acts as an attributive noun (or adjective), further specifying the target demographic or educational level. Critically, "video" serves as the head noun of the entire phrase. The preceding elements ("Patriot Day," "for kindergarten") all modify or specify this core noun, clarifying what kind of video it is and its intended use. Therefore, the phrases ultimate function is to identify a particular itema video.
In conclusion, while "patriot day for kindergarten video" is structurally a complex phrase containing nouns, adjectives, and a preposition, its fundamental grammatical classification, when considered as a single unit representing an object or concept, is unequivocally a noun phrase. Its core essence and the grammatical role it fulfills is to name or refer to a specific tangible piece of media.