that

THAT (demonstrative pronoun): Make “Y” with the right hand, and holding left hand out, palm up, throw the “Y” upon it; the sign may be without throwing “Y” upon the left hand but holding the “Y” of either hand out a little way, give a slight jerking or throwing motion to the hand at the wrist, toward imaginary object, moving the arm the least bit.

who

WHO: Purse the lips as in pronouncing “who,” then pointing the forefinger at the mouth, a few inches away, move the end of the finger around in a circle. As interrogative, express inquiry on face or make “?” in air with forefinger.

before

BEFORE: Same position as in “after,” but with the hands reversed so that the right hand is on the inside, and draw the right hand toward self. Or, (2) Hold the left open hand pointing upward and back of hand toward self; right hand in position as above and draw toward self.