The term "tag" has multiple meanings depending on its context.
1) In a game or playground activity, tag is a popular pastime where one person tries to touch others while chanting “Tag! You’re it!” The person who gets touched becomes the next ‘it’ and must try to touch other players in turn.
2) Tags are also used as labels for identification purposes. They can be attached to objects, clothing or even animals to provide information about their origin, owner, or purpose.
3) In computer programming, a tag is an identifier that specifies the type of data being stored and processed by the program. It helps in organizing and managing large amounts of data efficiently.