The keyword "Vidmate" functions as a proper noun. A proper noun is a specific name used for an individual person, place, or organization, distinguishing it from other members of the same class. In this context, it is the unique, trademarked name of a specific software application.
As a proper noun, "Vidmate" serves to identify a particular entity rather than describing a general category. Unlike a common noun such as "application" or "downloader," it refers to only one specific product. Grammatically, this dictates that it should always be capitalized. It acts as the subject, direct object, or object of a preposition within a sentence, just as any other noun would (e.g., "Vidmate offers several features" or "Users download Vidmate").
Therefore, for the purpose of article writing, "Vidmate" must be treated as a proper noun. This classification is crucial as it governs capitalization rules and its syntactic role in sentence structure. It cannot be modified by articles like "a" or "an" unless used in a very specific, atypical context, and it is not typically pluralized. Correctly identifying it as a proper noun ensures grammatical accuracy and clarity throughout the text.