What does mean for mole?

As moles are individual beauty, give individuality, but sometimes giving a non comfortable signs, as a few are over growing  to cancer, thus you must to know a signs for dangerous moles.
As moles are inborn or getting pigment spots, and nodules on skin, as display on a children s and teenager s ages, as they are oval or circle forms, as flat, or wart, or stem hills. And sizes are a few mm till a few cm, as light, yellow brown, black colors, depending from a pigment melanin having.