Ticket (noun)

1. A document or card that gives the holder a certain right, especially to enter a place, travel by public transport, or participate in an event.
2. A summons issued to a motorist or other offender, typically for a minor violation of the law.
3. A certificate or voucher that can be exchanged for goods or services.
4. A label or tag attached to an object, typically to indicate its owner or some other information about it.
5. A word or phrase used to describe or classify something.

Origin:

Early 17th century: from french étiquette "label, ticket", from étiqueter "to label", from étique "moral, relating to custom", from latin ethicus, from greek ēthikos "moral".

Examples:

1. I need to buy a ticket for the concert.
2. I got a ticket for speeding.
3. The company offers a discount if you have a coupon or a ticket.
4. The luggage has a ticket with the owner's name.
5. The ticket "vegetarian" on the menu indicates that the dish contains no meat.