Undocumented Commands

Hi!!
I've found some commands without description. In the last DocPak (v1.83) I've not found their description. Can you say me how do they work??

These are the commands:
Object
RuntimeStats
DeltaYaw
DeltaPitch
VectorPitch
VectorYaw
VertexAlpha
Stats3D
ActiveTextures
DirectInputEnabled
EnableDirectInput

Bye!!!