The keyword "qq-- bumi22.net" functions grammatically as a proper noun. A proper noun is a specific name for a particular person, place, or organization. In this context, the term uniquely identifies a specific digital entity, namely a website or internet domain, and therefore serves as its name.
This classification is derived from the structure and function of the term. The suffix ".net" is a generic top-level domain (gTLD), which inherently signifies it as part of a unique address on the internet. The core component, "bumi22," is the second-level domain name that specifies the individual entity. The "qq--" prefix likely acts as a subdomain or a specific keyword string. As a complete unit, the term does not describe a quality (like an adjective) or an action (like a verb); instead, it names a singular, specific location in cyberspace, which is the defining characteristic of a proper noun.
Understanding this classification is crucial because it dictates the term's grammatical role within a sentence. As a proper noun, "qq-- bumi22.net" can act as the subject, a direct object, or an object of a preposition. For instance, in the sentence "The article discusses qq-- bumi22.net," the term functions as the direct object. This grammatical precision is essential for creating clear, professional, and technically accurate content related to this specific online entity.