top-level
top-lev·el
(tŏp′lĕv′əl)adj.
1. Of or relating to people of the highest office or rank.
2. Of or relating to the highest office or rank: a top-level job.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
top-level
n
(modifier) of, involving, or by those on the highest level of influence or authority: top-level talks.
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