The keyword phrase "September 11th ribbon" is a noun phrase. The main point, or the head of the phrase, is the word "ribbon," which is a noun. The term "September 11th" acts as an adjective modifying this noun.
In this grammatical construction, "ribbon" is the head noun, which identifies the subject as a specific type of object. The term "September 11th" functions as an attributive noun (or noun adjunct), which is a noun used to modify another noun. Its function is adjectival, specifying the context, association, and purpose of the ribbon. It distinguishes this particular ribbona symbol of remembrance and patriotism related to the 2001 terrorist attacksfrom any other ribbon.
Identifying the core of the phrase as a noun ("ribbon") is critical because it establishes that the article's primary subject is the commemorative object itself. The modifier ("September 11th") provides the essential context. This grammatical structure directs the article to focus on the ribbon's symbolism, history, design, and cultural impact as a specific item of remembrance connected to the event, rather than focusing broadly on the event of September 11th.
