Natyashastra
करणे तु प्रयोक्तव्यो नृत्तहस्तो विशेषतः । तथार्थाभिनये चैव पताकायाः प्रयोक्तृभिः ॥ २११॥
The Dance-hands are to be used in forming Karaṇas, and hands such as the Patāka should be used in representing the meaning ॥ of words॥.
english translation
karaNe tu prayoktavyo nRttahasto vizeSataH । tathArthAbhinaye caiva patAkAyAH prayoktRbhiH ॥ 211॥
hk transliteration by Sanscript