THREE SISTERS

Three – one ore more than two; (...) three-dimensional; (...) three-legged race: race between pairs in which the right leg of one member of the pair is tied to the left leg of the other.

Sister – Woman or girl in relation to other sons and daughters of her parents; close woman friend or associate; female fellow member of sisterhood, esp. nun; female hospital nurse in authority over others, collog. any female nurse; (...)

Clock – A machine in which a device that performs regular movements in equal time intervals, is connected to a counting mechanism that records the number of movements. ...

Time – Measured or measurable period; a continuum that lacks spatial dimensions. Time is a sphere of interest in philosophy and subject of mathematical and in scientific researches

Moscow – Capital of Russia. ...

Knot – Interlacement of parts of one or more ropes, cords or other pliable materials, commonly used to bind objects together. ...

Dock – Artificially enclosed basin into which vessels are brought for inspection and repair (...)

100 YEARS FROM CHEKHOV’S DEATH
We should live... In order to find out why do we live, why do we suffer...