what is the difference between “skirt” and “dress”
I could not differentiat both of the words "skirt"and "dress"

Question

Answer

A skirt is a free-hanging part of an outer garment or undergarment extending from the waist down. Or long story made short, any piece of cloth that's hanging from your waist. :D While a dress is usually an outer garment (and usually for a woman/girl) consisting of a one-piece bodice and SKIRT. :D

Hope this helped.

Answer

There is  a big difference. This site has pictures 
http://www.athleta.com/products/womens-dresses-and-skirts.jsp

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