The Frontend is the part of a web application that users interact with directly. It encompasses everything that users see and experience in their web browser, including the layout, design, and interactive elements. Frontend development involves technologies such as HTML, CSS, and JavaScript, along with frameworks and libraries like React, Angular, and Vue.js. Frontend developers focus on creating intuitive and responsive user interfaces, ensuring that applications are visually appealing and user-friendly across various devices and screen sizes. The frontend plays a critical role in the overall user experience and usability of a web application.