Wall
!["weall," an Old English word for 'wall'](https://upload.wikimedia.org/wikipedia/commons/e/e4/Beowulf_-_weall.jpg)
A
wall is a
structure and a surface that defines an area; carries a load; provides
security,
shelter, or
soundproofing; or, is decorative. There are many kinds of walls, including:
*
Border barriers between
countries
* Brick walls
*
Defensive walls in
fortifications
* Permanent, solid
fences
*
Retaining walls, which hold back dirt, stone, water, or noise sound
* Stone walls
* Walls in buildings that form a fundamental part of the
superstructure or separate interior
rooms, sometimes for
fire safety
* Glass walls in which the primary structure is made of glass; does not include openings within walls that have glass coverings as these are
windows
* Walls that protect from oceans (
seawalls) or rivers (
levees)
Provided by Wikipedia