The keyword phrase "911 season 2" functions grammatically as a proper noun. It operates as a single, indivisible unit to name a specific, unique entitythe second installment of the television series titled "911."
A detailed grammatical breakdown shows that "911" is the core proper noun, which is the title of the media franchise. The subsequent phrase, "season 2," acts as a specifier or postmodifier. Within this modifier, "season" is a common noun, and the cardinal number "2" functions as a postpositive adjective. The entire construction forms a compound proper noun, uniquely identifying a particular creative work and distinguishing it from other seasons of the same series.
As a proper noun, the phrase can serve as the subject or object of a sentence without requiring a determiner (e.g., "911 season 2 explores the characters' backstories."). This classification is fundamental for ensuring correct syntax and semantic precision when referencing this specific media installment within the article.
