The Preference menue identifies settings that control functionality when creating and editing volumes.
The default position of a camera's target when a new camera is spawned.
Origin will aim the camera's target towards the volumes origin point.
Relative will aim the camera's target without rotation on the up axis (representing a straight a head direction).
The marker size used to calcuate the volume heatmap
Toggle the movement speed of the scene camera's. This can be useful to increase the flying speed to traverse larger volumes quickly.