Front-end

[Dianne]

Front-end refers to the part of a website or application that displays information to the user. It includes all of the HTML, CSS and JavaScript code that is executed on the users device when they visit a website or open an app. Front-end developers work to create user interfaces that are visually appealing, responsive and functional. They use HTML5 standards to build websites that are fast, efficient and easy-to-use.

[Julian]

That part of a hardware or software system that is conceptually closest to the user; the user interface.

[Oralee]

Relating to the front end or user interface of a hardware or software system.