The keyword phrase "911 on abc" functions grammatically as a noun phrase. The core component of this phrase, "911," is a proper noun, as it refers to the specific title of a television series.
A detailed grammatical analysis breaks the phrase into its constituent parts. "911" serves as the head noun of the phrase. The portion "on abc" is a prepositional phrase, consisting of the preposition "on" and its object, "abc," which is also a proper noun (the name of the television network). This prepositional phrase functions adjectivally, modifying the noun "911" by specifying the network on which the show airs.
In practical application for article writing and search engine optimization, the entire phrase should be treated as a single proper noun concept. It can function as the subject, object, or object of a preposition within a sentence. The central element and main point is the proper noun "911," with "on abc" providing essential, defining context.