When you first enter Borland Delphi 5 what you will see will look something like this:
This screen is also known as the workspace.

You can click on any part of the interface to see more info about it.
This screen will also appear when you select New > Application or File > New Application.

With Delphi you can't only make executables applications but you can make also Dynamic Link Libraries (DLL), ActiveX Controls (OCX), ActiveX Libraries (DLL), console applications (like old DOS apps), Control Panel Modules and Control Panel Applications.
Also you make database applications, which allow users to interact with information that are stored in databases.
"When designing a database application, you must understand how the data is structured. Based on that structure, you can then design a user interface to display.