high-level
adjective
uk/ˌhaɪˈlevəl/ us WORKPLACE
in a position of importance or great influence, or involving people who are in positions of power or great influence:
a high-level administrator/executive/official
high-level meetings/negotiations/talks The White House has acknowledged that high-level discussions are taking place.
IT
used to describe a language for writing computer programs which looks more like human language than computer language and is therefore easier to understand:
C, on the other hand, is a "high-level language" in that it has a greater degree of abstraction.