Definition of "high-level"

high-level

adjective
not comparable
1. Taking place or existing at a high level, altitude or elevation.
  Quotations
  It remains a key part of the busy Strathclyde railway system, with its high-level platforms served by trains to Lanarkshire, Ayrshire and England, and its low-level platforms a key artery at the heart of the busiest commuter network outside London.
  2021 September 22, “National Rail Awards 2021: Glasgow Central - Network Rail”, in RAIL, number 940, page 47
2. Of or pertaining to a person of a high social position or high rank within a hierarchy or organization.
3. Consisting of such people.
  Quotations
  Within 22 minutes of the high-level decision at 1.38 a.m. on the Sunday morning to withdraw the electric trains, a special control had been established at Glasgow North headquarters to organise the return to steam working.
  1961 March, “Talking of trains”, in Trains Illustrated, page 130
4. (computing, of a programming language) Consisting of relatively natural language-like commands and mathematical notations which, after compilation or interpretation, become a set of machine language instructions.