Child wiki:
d (plural: children) is a young human. Depending on context it may mean someone who is not yet an adult, or someone who has not yet reached puberty (someone who is prepubescent).Child is also the opposite of parent: adults are the children of their parents despite their maturation beyond infancy; for example "Benjamin, aged 26, is the child of Tobias, aged 63". Similarly in a generalized sense, see child node.
See more at Wikipedia.org...
Wall wiki:
l is a usually solid structure that defines and sometimes protects space. Most commonly, a wall separates space in buildings into rooms, or protects or delineates a space in the open air. There are three principal types of structural walls: building walls, exterior boundary walls, and retaining walls.
See more at Wikipedia.org...