"Specific set" refers to a unique group of items or individuals with clear and detailed characteristics or qualities that distinguish them from others. Full definition
In higher - performing districts, central office leaders not only believed in their capacity to develop principals; they set expectations for implementation of specific sets of leadership practices. (wallacefoundation.org)
Instead of five or six party members with classes, you get three, each one with a very specific set of skills. (totallygn.com)
It also contains some other types of coverage that are designed for specific sets of circumstances. (effectivecoverage.com)