An online application refers to a software program or system that is accessible through the internet. It allows users to perform specific tasks, such as submitting information, making payments, or accessing data, by inputting their details into an electronic form and transmitting it over the web. Online applications are commonly used for various purposes including job applications, loan applications, college admissions, and online shopping among others. They provide a convenient way to complete tasks without having to physically visit a location or fill out paperwork manually.