a fold or wrinkle in fabric, paper, or skin

a physical crease, pleat, or ridge in a surface such as fabric, skin, or geological layers

Folds or creases made in fabric, clothing, or paper.

the formation of folds or bends in rock strata caused by geological or tectonic pressure

lamella (under the cap of a mushroom)

fold mountain range (geology)

to make a mess of something, to mismanage a situation, or for things to go wrong

fold mountain system (geology)

a book is not judged by its cover; a person's worth is on the inside, not in their appearance