The keyword term "september 11th quotes" functions grammatically as a noun phrase. The core component and main part of speech is the noun "quotes."
In this construction, "september 11th" acts as an adjectival modifier, specifically a noun adjunct or attributive noun. It is a proper noun phrase (referring to a specific date) that describes or specifies the noun that follows it. The head of the phrasethe word that the other components modify and which determines the phrase's grammatical functionis "quotes." The term "september 11th" answers the question, "Which quotes are being discussed?"
Understanding this is crucial for the article because it establishes that the primary subject is the quotes. The article should therefore focus on presenting, analyzing, or contextualizing specific statements. The modifier "september 11th" sets the scope, defining the theme and origin of these quotes. The article's main point is not the date itself, but rather the words and statements made about it.