case - the enclosing frame all around a door or window opening; "the casings experienced rotted absent and had to get replaced" b. The shape of the written, printed, or keyed letter that distinguishes it as remaining lowercase or uppercase: typed the password using the Erroneous case. Sensible Vocabulary: https://dardencasesolutions56130.acidblog.net/66740447/not-known-factual-statements-about-online-case-solution