The vertical slice does not necessarily cover every possible contingency; for example, a vertical slice may not provide error checking or may "stub out" various pieces of the technology.

Vertical gardens will cover the buildings' exterior walls and terraces.

Dating from about 7, 370 BC, these polychrome rock paintings cover recesses in the near-vertical walls with imprints of human hands, drawings of guanacos and, from a later period, abstract designs.