Node Description & Purpose:
The Cross product node takes the Input and Input 2 vectors and outputs a new vector which is normal, or perpendicular, to the plane described by the two input vectors.
Node Type: Function
This node has just the one setting, which lets you choose a node for Input 2.
A vector is a set of three scalars, normally representing X, Y and Z coordinates. It also commonly represents rotation, where the values are pitch, heading and bank.