It has a few different uses, but in this case it's used to say that the group of three here are [positive]/good/great/amazing in an impersonal way. In the same way you'd compliment a street performer for not dropping the pin.
There's, a but if nuance to when to use it and when to use something else. And a lot of it is totally unwritten and barely implied.
Mostly, it just depends on who you talk to. Typically "Valid" it treated at or above a certain level. Valid typically refers more to a displayed trait or idea than an action. But that gets funky when used online because all displayed traits are actions.
Mostly, it just depends on who you talk to. Typically "Valid" it treated at or above a certain level. Valid typically refers more to a displayed trait or idea than an action. But that gets funky when used online because all displayed traits are actions.