For what its worth, love, I have no idea what that Is so... I'll go with yes...? Maybe...?

Can I phone a friend...?

Lolol! Wonderful, now I know confirmed possibility ! ♡

It is when one artist looks at the sketch or line work of another and with a red pen (or something other than black) they point out the issues in anatomy, perspective things like that ♡ I also starts lovely conversation from my experiences :3