“Until” is a logical operator that is used to limit the extent of a Scalar range of values. The purpose is to explicitly map a range rather than have it implied by a single value at one extreme (like a Tolerable-Limit).
Concept Number: *551
English Master: Until
Synonyms, Variations & Acronyms: none
[Until *551]: Logical Operator.
This Concept entered by Kay Dudman.