A kernel command can consist of the following parts:

object + method + arguments (keywords)

Commands do not always have an object, or even arguments, but they will always have a method. For example:

session.viewports['Viewport: 1'].setValues(width=50, height=100)
|----------- object ------------|  method |---- arguments ----|

mdb.models[Model-1'].PointSection(name='Section-3', mass=1.0)
|----- object ------|-- method --|------- arguments --------|

session.viewports['Viewport: 1']. bringToFront()
|---------- object -------------|-- method --|

LeafFromElementSets(elementSets='PART-1-1.E1')
|----- method -----|------- arguments -------|