The company has come up with some new products that will 'run circles around' the competition. [=that will be much better than the competition; that will easily beat the competition]
We've been trying to decide how to improve the system, but we just keep 'going around in circles'. [=we are not making any progress toward making a decision]
Now that she's back on the stage, her career has 'come/gone full circle'. [=her career began on the stage, and now she has returned to it]
(..) Just give me a minute. Did you ever think of maybe doing something, but not doing it? I'm getting pretty tired of hearing you talk in circles. You're tired of hearing me talk in circles? I'm tired of you going around in them. Focus! You need to do something, but nothing. - (..)2016 TvShow: 12 Monkeys Title: Lullaby Season: 2 Episode 8