Definitions

HTMLHyperText Markup Language – This is a coding language to create working webpages
CSSCascading Style Sheets – This is a coding language that changes what a webpage looks like, colour etc
HTTPHyperText Transfer Protocol – is a set of rules that allows content to be accessed on the web
Accessibility – The ability of a website to be used by people with disabilities
Anchor Text – The text links use to refer to different sites
Back End – This is the complex behind the scenes workings such as databases, structures, applications and CMSs.
CMS – Content Management System – Like WordPress this allows you to edit websites
iFrame – Used to display web pages within a normal page