The keyword term "when is lowes veterans day sale" functions as an interrogative clause. However, the core subject within this query, "Lowe's Veterans Day sale," is a noun phrase. This specific noun phrase represents the central topic or main point of discussion.
In this construction, the simple noun "sale" serves as the headword, defining the primary concept. The words "Lowe's" (a proper noun) and "Veterans Day" (a compound noun) act as noun adjuncts. Noun adjuncts are nouns that function like adjectives to modify another noun. Here, they specify the retailer and the occasion, respectively, creating a highly specific and compound subject. The interrogative adverb "when" and the verb "is" frame this noun phrase as a question focused on its timing.
For the purpose of an article, the main point is the event itself, as defined by the noun phrase "Lowe's Veterans Day sale." The article's primary objective becomes providing the temporal information requested by "when." Therefore, the content must treat the specific sale as its core subject and deliver details about its dates, duration, and associated timeframes.