As a Noun: 1. The expression of your appreciation or gratitude to someone. English = thanks. As a Verb or Adjective: 1. To tell someone you appreciate what they have done for you. English = thank. Interactive: 1. Used alone in response to someone having done something for you which makes you happy or which fulfils an earlier request you have made. The sign is a polite recognition of this fact. English = thank you, thanks.