Natyashastra
अस्य शाखा च नृत्तं च तथैवाङ्कुर एव च । वस्तून्यभिनयस्येह विज्ञेयानि प्रयोक्तृभिः ॥ १४॥
Producers of plays should reckon the Śākhā, dance (nṛtta) and the Aṅkura as the three aspects of the Histrionic Representation.
english translation
asya zAkhA ca nRttaM ca tathaivAGkura eva ca । vastUnyabhinayasyeha vijJeyAni prayoktRbhiH ॥ 14॥
hk transliteration by Sanscript