from Autodesk.DesignScript.Geometry import *
- C:\Program Files\Dynamo\Dynamo Core\2\ProtoGeometry.dll
import * = Importing star (asterisk, everything in a library)
DataEnteringNode = IN = just what it says
Out = point.add = just what it says. Looking to image (1.1) near the top of the list you will find Add(Vector vector ToAdd):Point. This is where this method (what I would call a command) is coming from.