A Line - 

Skirt from Walmart.com 

The skirt is cut in the shape of a capital letter A. It is narrow at the waist and flares out

 Circle - 

Skirt from Forever21.com

It looks how its named. This is a skirt that is contructed by making a giant circle and gathering it up at the waist. These skirts are typically pleated and a little poufy (think 1950’s)

Pencil -

Skirt from Forever21.com

This is a skirt with a straight line or narrows at the hem. The skirt hugs your curves. Its very, va-va-va voom

Tiered - 

Skirt from Forever21.com

 These are skirts covered with layers of fabric placed over one another. 

Trumpet -

Skirt from onestopplus.com

 Think pencil & circle skirt had a baby. This is a straight skirt that flares at the bottom – like a trumpet!

Tulip-

Skirt from OldNavy.com

Think of a tulip turned upside down there is your tulip skirt. Its usually wider around the hips and narrows in at the hem. Sometimes the skirt appears wrapped like tulip petals