Conditional form fields refer to specific sections or questions within a form that are only displayed or required based on certain conditions being met. These conditions can be pre-determined by the form creator or can be based on the user’s previous responses. This allows for a more personalized and efficient form-filling experience, as irrelevant or unnecessary fields are eliminated, making the process smoother and more streamlined. Conditional form fields are commonly used in online forms, surveys, and applications, and are a valuable tool for collecting accurate and relevant information.