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keyword
This term functions across several distinct domains, shifting from a tool for discovery to a structural constraint. In digital search and information retrieval, it denotes a strategic term used to filter vast amounts of data. In a rhetorical or literary sense, it identifies the conceptual anchor of a piece of communication, signaling the primary theme to the audience.
In technical computing, the term takes on a rigid, prescriptive meaning. Here, it refers to reserved words that are hard-coded into a language's syntax; using these as variable names typically results in a compilation error. This differs from the "search term" usage, as the programming keyword is a functional operator rather than a descriptive label.
Meanings
A word or phrase used as a search term to find specific information in a database, search engine, or document.
She used the keyword "sustainable" to find relevant articles for her research.
A word that serves as a critical point of reference or a central theme in a discussion, text, or argument.
The keyword in the CEO's speech was "innovation," which appeared in every paragraph.
In computer programming, a word that is reserved by the language and has a predefined meaning, which cannot be used as an identifier.
The word "if" is a keyword in most programming languages used to create conditional statements.