The HTML Designer provides editors and tools that make it possible for you to create and modify HTML documents. There are three editing views:
Design view Use this view to edit HTML pages graphically, insert and resize elements from the Toolbox, position and align them, and see the results instantly.
Source view Use this view to edit HTML directly, insert attributes and properties from pop-up statement completion lists, and validate your markup.
Split view Use this view to see and edit a document in both Design view and Source view. By default, the two windows are arranged horizontally, but you can change this behavior by selecting Split views vertically in the General, HTML Designer, Options Dialog Box.