===== Plug In =====
[[ddsf:public:guidebook:06_append:glossary:start| Return to Glossary ]]

**Plug-In**, also called **Add-On** or extension is computer software that adds new functions to a host program without altering the host program itself. Widely used in digital audio, video, and Web browsing, plug-ins enable programmers to update a host program while keeping the user within the program’s environment.

Source: [[https://www.britannica.com/technology/plug-in ]]