Markup Languages are languages that use tags, and are widely used on the Internet
Markup Languages:
| Function | HTML | CSS | XML |
|---|---|---|---|
| Browser Compatiblity | |||
| Structure | |||
| Design | |||
| User defined tags | |||
| Version | |||
The Development Enviroment that is mostly used to develop Markup Languages is Brackets, although you can also use Notepad++, BlueGriffon, BlueFish, and even Inkscape with XML.