The term 'CLIENT ONLINE' can be broken down into two crossword solutions: USER (4 letters) and CLIENT (7 letters). A USER is someone who interacts with a computer system, such as a website or software application. A CLIENT is a person or organization that pays for services or goods from another person or organization. In the context of online services, a CLIENT is typically a USER who pays for access to a service or product. Therefore, a CLIENT Online is a USER who pays for access to an online service or product.