If you’re familiar with the dialog editor in Visual Studio then you’ll probably recognize the script dialog editor, as it was very heavily influenced by the Visual Studio original.

The four main parts of the dialog editor are:

See Creating Script Dialogs for information on how to get to the dialog editor.

More:

Dialog Editor Commands
Adding Dialog Controls
Sizing and Positioning Dialog Controls
Using the Layout Commands
Dialog Control Tab Order
Dialog Control Mnemonics
Language Overlays
Dialog Control Properties