undertaken by or composed of participants having a high status: a high-level meeting; a high-level investigation.
having senior authority or high status: high-level personnel.
(of a programming language) based on a vocabulary
of Englishlike statements for writing program code rather than the more abstract instructions typical of assembly language
or machine language.
Military. (of aerial warfare) undertaken at or from a high altitude: high-level bombing; a high-level attack.