A folder is a container used to organize and store documents or files in a specific location on a computer or in physical form. It helps keep things tidy and makes it easier to find and access information when needed. Full definition
Fortunately, the rear seat folds in two parts to expand it. (bestride.com)
When they are a puppy it is normal that you do not see their eyes, because the amount of folds of skin is not proportional to their size. (animalwised.com)
Neither the second nor third row of seats folds into the floor. (automobilemag.com)