@rumpenstiltzkin @IzzyBloom91 I was confused too. My interpretation is:
Pocket = shirt that is tight and clings/tucks under breasts or pecs, like they are fitting into a pocket
Tent = shirt that is loose and drapes over them (often tucked into pants/skirt
Curtain = Loose (sometimes sheer) and floppy shirt that may be low cut and is not tucked in
Curtain call = opening up that shirt to reveal bra, undershirt or lack thereof
Guessing the tent vs curtain has to do with whether things are buttoned up inside and holding up the fabric from the top like a tent or just kinda covered... And the implication that curtains should be opened?