This makes sense. I think it's really important to spell out what "communication ability" means so that all the interviewers know what they're looking for. And

This makes sense. I think it's really important to spell out what "communication ability" means so that all the interviewers know what they're looking for. And more generally, it's very important that before you start the hiring process, you have a clearly defined set of criteria that everyone participating in the hiring process agrees on.