In a casual conversation to a child, is it okay to say "a skirt" when you are actually referring to "a shift or pinafore or jumper"?

Question

According to Oxford Dictionary

This is a shift

The black one in this picture is a jumper or pinafore

And a skirt normally doesn't have the top as the blue one in this picture

And say you are a parent and you don't know much about clothes and in a casual conversation to a child.

is it okay to say "a skirt" when you are actually referring to "a shift or pinafore or jumper"?

Answer 1

We usually call an all-in-one female garment a dress. A skirt is either a separate lower garment or the part of a dress or coat that hangs below the waist.