what is the meaning of locomotion

Today's world is filled with technologies, chemistry projects, social projects but nonetheless now we have been following a thought of their stage or dais. The only changes are happened genuinely: their drama was performed in open air now it's within the covered area; at that time drama was performed only morning these days we are able to enjoy thrice each day; there was clearly no strategy of light facilities today it can be totally computerized; that period dais was fixed and after this it can be revolving.