STOP NEGGING THE PARENT POSTER FOR QUESTIONS! We all started out somewhere, even on the basics, so you need to remember that you too were once as green as he is, and had to work your way up.

386, 486, 686, and so forth are processor types. For example, Pentium III and IV are 686 processor types, Pentium II and I are 486, Athalons are 586 and so forth and so forth. I can't find an exact chart right now to explain it in more detail.