Sequential Finger Movement
...specific finger-by-finger opening and closing...

a name sign

Just follow the arrows. The movement starts at the stem of the arrow, and moves toward the arrowheads. So in this sign, the baby finger bends first, finishing in the A handshapes at the side of the head.

Sequential Finger Movement That Closes
From The Middle Joint

...very specific finger-by-finger closing of the fingers...

Exact details of which finger closes first, second and third.

 

FEW
in American Sign Language

(one of several ways
to write this sign)

Sequential Finger Movement That Opens
From The Middle Joint

...very specific finger-by-finger opening of the fingers...

Exact details of which finger opens first, second and third.

In the example to the left, the sign for FEW opens the index finger first, then the middle finger, ring finger and baby finger.