# Node Nodes provide coordinates for objects. Loads can be applied and Markers or Sensors can be attached to Nodes. The sorting of Nodes in the system (the order they are added to mbs) defines the order of system coordinates. ```{toctree} :maxdepth: 1 nodeGeneral NodePoint NodePoint2D NodeRigidBodyEP NodeRigidBodyRxyz NodeRigidBodyRotVecLG NodeRigidBody2D Node1D NodePoint2DSlope1 NodePointSlope1 NodePointSlope12 NodePointSlope23 NodeGenericODE2 NodeGenericODE1 NodeGenericAE NodeGenericData NodePointGround ```