A click site is a website that allows users to access information or services with a single click. The term 'click site' is derived from the fact that users can quickly and easily access the content they are looking for by simply clicking on an ICON. The crossword solution for the term 'click site' is ICON, which is a four-letter word. An ICON is a small image or symbol that is used to represent a program, file, or website. It is typically used as a shortcut to quickly access the desired content.