Answer
Time: Relative time stamp of the keyframe, normalized to 1.
Name: Name for the keyframe.
Projection Type: Camera projection as defined in the View Settings dialog box (3D or 2D).
Target: X: Target's X coordinate.
Target: Y: Target's Y coordinate.
Target: Z: Target's Z coordinate.
Azimuth: Azimuth angle to target from the observer referenced by a vertical plane.
Inclination: Inclination to target from the observer referenced by a horizontal plane.
Roll: Camera roll angle.
Distance: Distance to target.
View Angle: Camera view angle.
Ortho Extent: Min X: Minimum orthographic (2D) extent of viewable surface in the X direction.
Ortho Extent: Min Y: Minimum orthographic (2D) extent of viewable surface in the Y direction.
Ortho Extent: Min Z: Minimum orthographic (2D) extent of viewable surface in the Z direction.
Ortho Extent: Max X: Maximum orthographic (2D) extent of viewable surface in the X direction.
Ortho Extent: Max Y: Maximum orthographic (2D) extent of viewable surface in the Y direction.
Ortho Extent: Max Z: Maximum orthographic (2D) extent of viewable surface in the Z direction.