Progress Software is a company supporting 4GL and RAD tools. The 4GL is called Progress 4GL and their database is called Progress.
ProVision is a Program Development Environment
UIB - User Interface Builder is the RAD tool to make programs with. Both visual (components) and textual (entering program code).
Procedure Editor is used to enter program code. It is fairly simple, a window with many buffers.It got menus and syntax checking.
Data Admin is the place to load and save data and data structures.
Data Dictionary is the place where you can change the properties of database, tables, indexes and fields.
Results is a simple reporting tool written in Progress 4GL (The other reportig tools are not).
Report Builder is a reporting tool that can use Windows to control the look of the reports. That is - use fonts and printer preview. It is fairly easy to make a report look good, but it is hard to make it efficiency.