The keyword term "september 11th graphic" functions as a noun phrase. Within this phrase, the primary part of speech that serves as the main point is the noun "graphic".
In this grammatical construction, "graphic" is the head noun, identifying the core subject: a visual representation, image, or design. The preceding term, "september 11th," is a proper noun phrase that acts as an adjectival modifier (specifically, a noun adjunct). Its function is to qualify or specify the type of graphic being discussed. It answers the question, "What kind of graphic?"one that pertains to the events of September 11th.
Understanding that "graphic" is the central noun is critical for the article's focus. The article's subject is not the event of September 11th in general, but rather the specific visual materials created about or in response to it. The analysis, discussion, and content should therefore be centered on these visual artifacts, treating "september 11th" as the defining context or theme of the noun.
