The keyword phrase "sep 11 live" functions with "live" as an adjective. In this construction, "sep 11" is a proper noun phrase identifying a specific historical event. The word "live" modifies this noun, specifying the nature of the content as being broadcast or occurring in real-time. Therefore, the main point derived from this grammatical structure is the adjectival quality of immediacy and unedited presentation of the event.
Grammatically, "live" can function as a verb, adverb, or adjective. In the context of a keyword used for media or an article, the adjectival sense is dominant. It distinguishes the topic from historical analysis by focusing on content that is presented as it happens, such as "live coverage" or a "live broadcast." The phrase operates as a compound modifier for an often-implied subject, such as "feed," "stream," or "reporting." This contrasts with a verbal interpretation (e.g., "the memory lives on"), which would imply a different thematic focus on legacy and endurance rather than immediate experience.
Determining "live" to be an adjective is critical for shaping the article's focus. This interpretation dictates that the content should center on the real-time perspective of the September 11 events. The article's core theme would be the experience of witnessing the events unfold, the role of media in broadcasting them, or the analysis of surviving real-time footage and communications. This choice steers the narrative away from retrospective analysis and toward the visceral, immediate impact of the events as they were presented to the public.