No hint given, assumed the background of a node can be rendered after content.

Some elements rendered within the node are translucent over the background.

Node content is assumed to be fully opaque, meaning that there is no need to render the background.

Managed render targets use RGB format.

Managed render targets use RGBA format.

Screen coordinates.

3D coordinates with a field of view in x direction.

3D coordinates with a field of view in y direction.