They can develop as flat, discolored areas of skin or as raised growths, often with a rough surface.

VOA: special.2010.07.06

However,snow can become hard and flat as it becomes older or if there have been strong winds.

VOA: special.2010.01.05

Hamburg parsley has flat leaves that can be used for the same purposes as other parsley.

VOA: special.2009.06.02

From high in the air, visitors can clearly see the third area of the park -- a high broad flat rock known as the Island in the Sky.

VOA: special.2009.04.15

It can be flat or raised.

VOA: special.2010.07.06