Blender Cycles: Geometry Node Vectors Reference

Hi everybody. I'm going to expose a brief reference about Geometry Node Vectors. I have plugged the vector coordenates into the color socket of a diffuse node. Separate and combine RGB nodes are not necessary, but I show them here for a clearer explanation. 

Here is the result:

Position Vector

Normal Vector

Tangent Vector

True Normal Vector

Incoming Vector

Parametric Vector

And this is the result of a dot product between Normal and Incoming vectors:

Dot Product Normal-Incoming Value

Bye