An [Element](https://gstreamer.freedesktop.org/documentation/application-development/basics/elements.html) is a basic building block of a GStreamer pipeline.
A `Plugin` provides an element's capability.
### Good, Bad and Ugly Plugins
| Plugin Set | Description |
| ---------- | ----------- |
| [Base][1] | Well-maintained set of plug-ins and elements, including helper libraries and base classes for writing other elements. |
| [Good][2] | Tested and maintained quality code with LGPL compatible licensing. |
| [Bad][3] | Functional plugins that that may be missing something, including testing, documentation, maintainer, etc... |
| [Ugly][4] | Good quality plugins that have known distribution or licensing issues. |