The keyword term "september 11th kids video" functions grammatically as a compound noun or a noun phrase. In this construction, the word "video" is the head noun, which is the core subject. The preceding words, "september 11th" and "kids," act as modifiers that specify the type and intended audience of the video. The entire phrase collectively names a specific category of content.
A grammatical breakdown reveals the function of each component. "Video" is the primary noun, identifying the medium. The word "kids" is a noun adjunct (or an attributive noun), functioning as an adjective to define the target demographic. Similarly, "september 11th" is a proper noun phrase used adjectivally to describe the video's subject matter. These modifiers progressively narrow the definition from a general "video" to the highly specific category of videos about September 11th created for children.
Identifying this term as a noun phrase is the critical first step for the article because it establishes the central subject. The article's purpose is not to describe an action (verb) or a quality (adjective), but to define, analyze, or provide examples of this specific thing: a category of media. This grammatical classification dictates that the article's focus must be on the nature, content, and purpose of these videos, treating the entire phrase as the main topic of discussion.
