Says a lot about - Idioms by The Free Dictionary
say a lot about (something) (redirected from says a lot about)
say a lot about (something)
To be very indicative of something. Anyone can be a gracious winner, but the way you handle yourself when you lose says a lot about your character.
it, etc. says a ˈlot, ˈmuch, etc. about/for somebody/something (that...) something reveals a lot, etc. about somebody’s/something’s qualities, personality, etc: It says much about the high quality of these instruments that many of them are still in use today. ♢ The kind of car you drive says a great deal about you.