Web Development refers to the process of creating and maintaining websites and web applications. It involves designing, coding, and optimizing websites to deliver an optimal user experience. Web developers use various programming languages (such as HTML, CSS, and JavaScript) and frameworks to create dynamic and interactive websites. They collaborate with designers, content creators, and other stakeholders to ensure the functionality, responsiveness, and accessibility of websites across different devices and browsers. Expertise in web development is crucial in today's digital world to ensure online presence and deliver seamless user experiences.