fourthreethree.......you are
COMPLETELY WRONG.
"Descend" means just that.....it is an ATC instruction, to be adhered to............
"Descend when ready" means just that......the pilot can judge his/her descent to achieve whatever restriction is given by ATC at the time.
I suggest you have a chat with your LCE my friend.
Flymeboy......it was a good question, and I hope it has ben answered to your satisfatcion