what is the meaning of locomotion

Flickr:Giorgos Gotsis: Today's world is full of technologies, chemistry projects, social projects but nevertheless now we are following concept of their stage or dais. The only changes are happened honestly: their drama was performed in open air and after this it really is in the covered area; during those times drama was performed only daytime however we can easily enjoy 3 x every day; there were no means of light facilities today it is totally computerized; the period dais was fixed now it really is revolving.