The keyword term "hot51" functions grammatically as a proper noun. Its structure, combining a common word with a number, indicates that it serves as a specific name or unique identifier for a particular entity, such as a product, model, project, or service. As a proper noun, it refers to a singular, specific thing rather than a general class of things.
In syntactic analysis, a proper noun can act as the subject, direct object, or object of a preposition within a sentence. For example, in the sentence, "We will analyze hot51," the term is the direct object. While its primary role is nominal, "hot51" can also function secondarily as a noun adjunct, which is a noun used to modify another noun. In this capacity, it behaves like an adjective, as seen in phrases like "the hot51 update" or "hot51 specifications." Here, the term qualifies the subsequent noun, specifying which update or specifications are being discussed. It cannot function as a verb, as it does not denote an action, nor as an adverb.
For the purpose of developing an article, establishing "hot51" as a proper noun is the critical main point. This determination dictates that the article's focus should be on defining, describing, or explaining the specific entity that this name represents. All content should treat the term as the name of a subject, ensuring grammatical precision and conceptual clarity throughout the text. The secondary use as an adjective should only be employed to refer to attributes or components directly related to the primary subject.