A front-end development session is an event focused on teaching participants the skills and techniques necessary to create the user interface and user experience for a website or application. It typically covers topics such as HTML, CSS, JavaScript, and other front-end development tools and frameworks. The session may include hands-on activities, live coding demos, and discussions on best practices and trends in front-end development. Participants may include web developers, designers, and anyone interested in learning more about front-end development.