high-level

Adjective

high-level (comparative higher-level, superlative highest-level)

1. Taking place or existing at a high level, altitude or elevation.
   • 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

   Antonyms:

   low-level

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.
   • high-level conference
   • 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. Consisting of relatively natural language-like commands and mathematical notations which, after compilation or interpretation, become a set of machine language instructions.
5. A summary that provides a general overview and omits nearly all details.
   • "To begin, a need or want is simply a broad definition of the overall requirements: the high-level description, the 30,000-foot view, and so on, of the problem without identifying any specifics." https://www.google.com/books/edition/Additive_Manufacturing_Handbook/H1kkDwAAQBAJ?hl=en&gbpv=1&pg=PT92
6. (roleplaying games) At (or associated with) an advanced level within the context of a game's progression system.