top-down adjective4 •Of or relating to a hierarchical system that progresses from a single, large basic unit to multiple, smaller subunits. •Produced, controlled, or directed by those at the top of the hierarchy (the upper echelons).Overall the signage at NIE has the appearance being a top-down artefact driven by institutional policy with English set as the default language. — 2019 •Presenting the player with an aerial view. •Of a drop top, with the convertible top down.