Definition of do (exactly) what it says on the tin in English:

do (exactly) what it says on the tin

phrase

British
informal
  • Perform as advertised or as one would expect judging by name or reputation.

    ‘a big budget Hollywood film that does what it says on the tin’
    • ‘This film does exactly what it says on the tin: eight-legged freaks are what it promises to deliver, and eight-legged freaks are what come tumbling out of the crate.’
    • ‘By its own admission, his third novel fails to do what it says on the tin.’
    • ‘If you want a straight-talking candidate that does exactly what it says on the tin, then vote for her.’
    • ‘This book does exactly what it says on the tin: it is packed with gorgeous images of places that you really, really want to visit.’
    • ‘It's instant messenger software—it does what it says on the tin.’
    • ‘A Brief History of Crime doesn't quite do what it says on the tin.’
    • ‘Failing to realise that an option marked 'delete' doesn't do what it says on the tin isn't stupidity; it's lack of familiarity.’
    • ‘This blog has been reviewed by The Weblog Review, a site which does exactly what it says on the tin.’
    • ‘As a tool, I don't think there's anything wrong with the wish list; it does what it says on the tin.’