👉 The article fluid, a term often used in natural language processing and computational linguistics, refers to the dynamic and context-dependent nature of articles in written language. Unlike nouns or pronouns that have fixed grammatical roles, articles (such as "the," "a," and "an") can change their function based on context, tense, and the sentence structure. For example, "the cat" is a definite article referring to a specific cat, while "a cat" uses an indefinite article indicating a general or unspecified cat. This fluidity allows for greater flexibility and nuance in communication, enabling writers to convey specific or general information effectively.