Visual Basic 6.0 (VB6) was the final COM-based version of the VB programming language and IDE, last updated in 2004
Visual Basic for Applications (VBA) is an event-driven, object-oriented programming language for writing macros, used for the entire Office suite as well as other applications
"Vba is in fact a superset of vb6 not a subset -- vba has more functionality built in than vb6 itself"
from question "Disadvantages of bigger project in VBA"
"Vba being a whole lot less than vb6"
from question "Is VB developed on the same scale as C#?"
"Fortunately the vbide for vb6 has more classes and methods for working with vb projects than the vba version of vbide"
from question "How can I catalog, index, and/or print VB6 source code, with each sub/function on a page..?"