The core component of the keyword term, "sep 11," functions as a proper noun. It acts as the main point or subject of the phrase.
In this construction, "sep 11" is not just a date but the specific name for the historical events of September 11, 2001. The subsequent words, "for kids," form a prepositional phrase that modifies the proper noun. The preposition "for" and its object "kids" act as an adjectival phrase, specifying the intended audience or context for the information about the event.
Recognizing "sep 11" as the main point (a proper noun) is crucial because it establishes that the article's primary subject is a specific, named event. The modifier "for kids" then dictates the tone, complexity, and scope of the content, ensuring the explanation of this event is tailored appropriately for a younger audience.
