Before revision: There are many kinds of walls, including: Walls in buildings that form a fundamental part of the superstructure or separate interior rooms, sometimes for fire safety Glass walls (a wall in which the primary structure is made of glass; does not include openings within walls that have glass coverings: these are windows) 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 that protect from oceans (seawalls) or rivers (levees) Etymology "weall," an Old English word for 'wall' The term wall comes from the Latin vallum meaning " ... an earthen wall or rampart set with palisades, a row or line of stakes, a wall, a rampart, fortification ... " while the Latin word murus means a defensive stone wall."Wall".
After revision: There are many kinds of walls, including: Walls in buildings that form a fundamental part of the superstructure or separate interior rooms, sometimes for fire safety Glass walls (a wall in which the primary structure is made of glass; does not include openings within walls that have glass coverings: these are windows) 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 that protect from oceans (seawalls) or rivers (levees) Etymology "weall," an Old English word for 'wall' The term wall comes from the Latin vallum meaning " an earthen wall or rampart set with palisades, a row or line of stakes, a wall, a rampart, fortification , " while the Latin word murus means a defensive stone wall."Wall".