How To Finguer A Vigina White Spots On My Finguer Nails!!!!?

White spots on my finguer nails!!!!? - how to finguer a vigina

I began to notice that I also have a switch, horizontal line 1 to 2 mm long and 1 mm think, some of them with two nails that .. in the finger not at his peak? What is it? How can I remove them? Why should I? Please help. I am 18 years old, male.