Web designing refers to the process of creating the visual layout, user interface, and overall aesthetic of websites. It is a multidisciplinary field that combines creativity, technical skills, and an understanding of user behavior to design visually appealing, user-friendly websites that meet business and user needs. Key aspects of web design include planning the website structure and user flow, using visual elements like color and typography to create cohesive designs, and designing interfaces and layouts and testing prototypes to ensure an engaging user experience across all devices.