Bournonville arms: 
-of the Danish school
-same as pirouette arms (ohhhhhh...an Argentine expression of epiphany)
-held in front of the torso, not too wide open
-in order to contain-- rather than push through and dissipate-- energy
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-flic-flac becomes adagio
-pas de bourrEe becomes choreographic
-coupE ballonE becomes grand allegro
-glittery backs
-en pointe: pitch forward; imagine top of legs (iliac crest) to be higher than they really are; push floor away; ribbons join the ankle to the shoe; ballet is a total re-imagining of the structure of the body and how it ought to be carried; going en pointe, even more so