The keyword phrase "calendario escolar 2010 11 sep oficial" functions grammatically as a noun phrase. The core of this phrase is the compound noun "calendario escolar" (school calendar), which establishes the primary subject. All subsequent words and numbers act as modifiers that specify and narrow down the identity of this subject.
In a grammatical breakdown, "calendario escolar" serves as the head noun. The elements that follow are postpositive modifiers. "2010 11" is a numeric identifier functioning as an adjective to define the specific academic year. "SEP" is an acronym for a proper noun (Secretara de Educacin Pblica) used adjectivally to indicate the issuing authority. Lastly, "oficial" is an adjective that confirms the document's formal and authoritative status. This structure, where a core noun is followed by a series of specifying adjectives and nouns, is typical for naming official documents, reports, and specific entities.
Determining that the keyword is a noun phrase is crucial because it establishes that the article's main point is an object or a concept, not an action or a description. The article's content should therefore be centered on defining, presenting, or analyzing the specific document in question: the official school calendar for the 2010-2011 year as issued by the SEP. The entire purpose is to provide information about this calendar, making it the central subject of the discourse.
