an opening in the wall or roof of a building, car, etc., usually covered with glass, that allows light and air to come in and people to see out; the glass in a window
a platform that is built on the upstairs outside wall of a building, with a wall or rail around it. You can get out onto a balcony from an upstairs room.
a structure through which smoke or steam is carried up away from a fire, etc. and through the roof of a building; the part of this that is above the roof
a long, solid structure that rises straight up from the ground, made of stone, brick or concrete, that surrounds, divides or protects an area of land
a structure made of wood or wire supported with posts that is put between two areas of land as a boundary, or around a garden, field, etc. to keep animals in, or to keep people and animals out