\index{save media files}
\index{EDL}
+The media files loaded into the Resources window are called \textit{assets} and are virtual references to the real media files on disk. The original sources are not changed and so we have non-destructive editing.
+
There are many supported file formats that can be loaded and rendered to, that is to say, imported and exported.
The format of the file affects what \CGG{} does with it.
Some file formats are very slow to display on the timeline, especially video which is highly compressed.