Photo stream and photo sharing on iphone

Ye mujh sy dono i cloud mai ghalti sy on rah gya tha ye kya hy or agar on rahy to kya photo stream mai mawjood tanam photos shared hogaye hongy ab to meny off kr di hy likin smjh nhi arh

Plzzzz koi is bary mai btaye k ye hy kia???