WYSIWYG
/ˈwɪziˌwɪɡ/ · Abbreviation · Slang & Abbreviations
Definitions
Short for 'what you see is what you get,' describing editors where the on-screen formatting closely matches the final output. The term is common in content, email, and site-building tools.
In plain English: An editor where the screen looks like the final result will look.
Example: "The CMS uses a WYSIWYG editor so marketing doesn't have to touch HTML."