A collection of recordings sold together in a single package.

plural of fixed set

plural of independent set

plural of power set

(fuzzy set theory, fuzzy logic) A set whose elements have degrees of membership, instead of only full and empty membership.

(tennis, of a victory or a loss in a match) Achieved in the minimal possible number of sets.

(transitive) To cause to begin to burn. / (figuratively, transitive) To arouse passionate feelings in.

(idiomatic) Ready, prepared, equipped. / (US) Not requiring initial or further assistance with, additions to, or use of something.

set close together

A set of skills. / The skills needed to accomplish a specified task or perform a given function.