1. the action of attaching a label to someone or something: "the tagging of birds with official numbered metal bands"
▪ the attaching of electronic markers to people or goods for monitoring purposes: "the tagging of remand prisoners"
▪ the writing of a nickname or mark on a surface by a graffiti artist: "tagging is out of control in this city"
▪ the adding of an instruction to a piece of text in a markup language in order to specify how it is displayed or interpreted: "internal review procedures to promote accurate and consistent tagging"
▪ the addition of a word, phrase, or name to digital content to identify it as belonging to a particular category or concerning a particular person or topic:"automatic tagging of your audio files with artist and track information"