Описание тега textselection
In User Interface Design, text selection is the method of handpicking a portion of text, most commonly for the purpose of copying/cutting/pasting.
In User Interface Design, text selection is the method of handpicking a portion of text that will be further acted upon by the user. The selection is done by the interaction devices provided by the user interface.
Text selection is most commonly associated with the user actions of copying, cutting, and pasting. In Graphical User Interface, text selection is performed by a mouse or touch represented as cursors.