what's the difference among vb vba vbs and vb .net?

[someone]

Too many programming languages and totally confused.

[TheNige]

VB = original Visual Basic laguage used to make desktop and component applications

VBA = Visaul Basic for Applications, generally used to do some custom functions in things like Word, Excel, etc.

VBS = VB Script, toned down scripting version of VB used to program in ASP, client side script, or in other places like the command line or in SQL DTS packages.

VB.Net = latest version of the VB language for use with the .Net framework.

What are you going to be programming? Pick the one that you need.

[Easy_Coder]

someone, in addition to what TheNige posted you should also spend a little time researching the differences between early bound, late bound, variant types and strongly typed code.