Selektor
Selektor is a term used in computer science and software development as a name or generic label for a mechanism that identifies a subset of items within a data structure or document. The exact meaning and scope depend on the context, and there is no single universal standard for a product or spec known simply as “Selektor.”
In web development and styling, a selector is an expression that identifies elements in a document object
In data processing and querying, selectors navigate hierarchical data. They may be part of query languages
Software libraries and projects sometimes adopt the name Selektor as a brand or module that implements selector
Etymology and usage: the term derives from the word “selector,” and in many languages the cognate “selektor”