Your size should be marked in millimeters. Now in the internet cafe, there is no CAD or drawing for you. Two people live in the bedroom, so it's better not to move. The use area is fixed. How do you want to change it? If there is only a sofa bed in the living room, fix the TV on the partition wall between the bedroom and the living room, and put the sofa opposite the TV. Put a small shoe rack after entering the door. The balcony should be a bay window, right? If it is a bay window, you can put a few pots of flowers on the balcony. It is best not to put anything within a distance of 1.5M from the balcony. There are no rules about the details of your home, such as the reserved location of sockets and air conditioners.
Pure hands, forget to pick. There is a question, I hope you can clarify it. You'd better ask about your house online.