: These allowed developers to create a consistent look across a site by defining editable and non-editable regions.

was the final version of Microsoft's "What You See Is Get" (WYSIWYG) HTML editor and website administration tool. While it was a cornerstone of early web development, it has since been discontinued and replaced by newer technologies. Core Identity and Role

: Users could switch between a visual editor, a raw code editor, or a "Split" view to see both simultaneously. Legacy and Successors