Topic: COMPUTERS
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high-level [only before noun]
1 in a powerful position or job, or involving people who are in powerful positions or jobs : 
high-level executives
high-level executives2 at a high degree or strength : The virus has shown high-level resistance to penicillin
The virus has shown high-level resistance to penicillin3SL involving very technical or complicated ideas
4TDTD a high-level computer language is similar to human language rather than machine language
