The keyword term "11 sep strands" functions as a noun phrase. The core component and main part of speech is the noun "strands," which is modified by the term "11 sep."
In this grammatical construction, "strands" is the head noun, referring to distinct yet interconnected elements, themes, narratives, or lines of consequence. The preceding term, "11 sep" (an abbreviation for September 11th), acts as a noun adjunct or adjectival modifier. Its function is to specify the context or origin of these strands, indicating they are all related to or emanate from the events of September 11th.
Understanding this structure is crucial for the article, as it establishes that the central subject is not the event itself, but rather the various, multiple threads that result from it. The article's focus should be on identifying, analyzing, and possibly interweaving these different "strands"which could be political, social, economic, cultural, or personalto provide a multi-faceted exploration of the event's legacy and impact.