Well put 212.
Apples and Pears should not be mixed unless you are satisified with a lose definition (fruit).
Power and drag are well overdue for redefinition or classification.
"Some people are said to be 'pioneers', the ones that push boundaries. To be a true pioneer you must realise that boundaries are not just a line ahead of us, they are a sphere all around us. To really push boundaries you must be prepared to look sideways, downwards, backwards or in any direction, and if you find a boundary has been wrongly placed in the past you must be prepared to move it".