This article is a short summary of my theoretical conclusions, which are a result of more than a year's work led by myself and E. D. Golobinskaya of the Theatrical-Research Studio. Credit for the working out and embodiment in practice of the positions expressed here belongs to the senior assistants of the studio-A. V. Grigoreva, V. I. Polotnova, M. V. Fausek, G. N. Gurev, N. N. Ivanov, E. E. Labrovsky, and R. D. Raugul. (1923)