The keyword term "911 victims" functions as a noun phrase. The core element of this phrase is the noun "victims," which serves as the main point or headword. The numeral "911" acts as an adjective, modifying the noun.
In this grammatical construction, "victims" is a plural common noun that identifies the people who are the subject of the article. The term "911," derived from the proper noun for the September 11 attacks, functions as a proper adjective or a noun adjunct. Its role is to specify and restrict the meaning of "victims," clarifying that the article is exclusively about the individuals harmed or killed in that specific historical event, as opposed to victims of other circumstances.
Understanding this structure is crucial because it establishes that the primary focus of the article is the people (the noun "victims"), not the event itself. The adjectival modifier "911" sets the specific context and scope. Therefore, all content should center on the experiences, identities, and impacts related to the individuals affected by the attacks, as dictated by the noun at the core of the keyword phrase.