A computer program is a set of instructions that can be executed by a computer to perform a specific task. EXE is an abbreviation for executable, which is a type of computer program that can be run directly from the operating system. APP is an abbreviation for application, which is a type of computer program designed to perform a specific task or set of tasks. ICON is a small graphical representation of a computer program, usually used to represent the program on the desktop or in a menu. APPLET is a small computer program that is embedded in a web page and runs within a web browser. PODCAST is a digital audio file made available on the Internet for downloading to a computer or mobile device, typically available as a series of episodes.