Seletor

Seletor is a Portuguese term that translates to "selector" or "one who selects." It is used across disciplines to denote an entity that chooses a subset from a larger set or to identify a particular element from a collection.

In information technology and software development, the term is commonly used for selectors in programming and markup languages. In web development, "seletor" is the Portuguese equivalent of "selector" in CSS and XPath, describing patterns that identify elements within documents or pages. In other contexts, a seletor can be a parameter in a user interface that determines which options are displayed or active.

In other domains, the concept appears in data processing and hardware as a selector device, such as a multiplexer selector or a switch that chooses between input signals. In linguistics and logic, the general idea of a selector describes mechanisms that choose features, referents, or substructures during analysis.

Etymology: from Latin selectus, past participle of eligere, meaning chosen. In Portuguese, the term is widespread in technical documentation and standard usage. The word may appear in capitalized form as Seletor in brand names or titles, but in ordinary prose it remains lowercase.