Applet

In computing, an applet is any small application that performs one specific task that runs within the scope of a larger program, often as a plug-in. An applet typically also refers to Java applets, i.e., programs written in the Java programming language that are included in a web page. The word Applet was first used in 1990 in PC Magazine.

Read more about Applet:  Applet As A Standalone Application, Applet As An Extension of Other Software, Java Applet, Security