Visual criteria
a) -
b) OK
c) OK
a) OK
b) -
c) OK
 ST
 UT
a)
b)
c)
Q. Where to place the direction sign in the staff?
A. The direction sign should match the proper time unit.
Reason: to help the rhythm recognition.
Q. Where to place the hook in the staff?
A. The hook should be placed at the beginning of the proper count.
Reason: to indicate the moment of touch.
Q. Where to place the hook in relation with the direction sign?
A. The hook should be attached at the end of the direction sign.
Reason: to reflect the inner structure of movement.