WYSIWYG - What You See Is What You Get
Many developers use WYSIWYG tools that generate HTML, but the HTML often must be modified to render precisely what the developer wants.
Example tool: Visual Studio
Tables and meta tags:
http://www.harding.edu/fmccown/classes/comp250-s17/notes/notes5.html
Page structure tags:
http://www.harding.edu/fmccown/classes/comp250-s17/notes/notes7.html
Intro to CSS:
http://www.harding.edu/fmccown/classes/comp250-s17/notes/notes8.html