Front End Development involves building and implementing the visual and interactive aspects of a website or application. It is concerned with everything that users see and interact with in their web browsers.
Creating the Front End of a website that people can see and use, using such Front-End Languages as HTML etc.
It is Making interactive and responsive user interfaces with techniques like HTML, CSS and JavaScript which will make sure that the user experience is predictable through all devices.
To put it differently, This basically involves developing compelling and interactive user interfaces through the utilization of various technologies including HTML, CSS and JavaScript in order to ensure consistent and intuitive experiences on all devices.