Use containers to store multiple versions of the same shot with different grades or multiple shots. Grading is applied on the shots inside the container and not on the result of the container.
Containers on the timeline are dark grey in colour:
On the storyboard, a dark grey box on the left corner of the thumbnail indicates a container:
Inside a container you can work with video tracks and layers:
To create a container:
Container segments/elements appear dark grey in the record timeline.
To enter a container:
The contents of the container are displayed.
To exit a container:
The contents of the container are collapsed into a single segment.
To add a clip to a layer in a container:
Use containers to hold multiple versions of grading on a shot.
To create a new version of the grading without entering the container:
A new version on vertical layer appears inside the container.
To remove a container:
The selection overrides the positioner.
The container is removed and the container contents are inserted on the current timeline.