case - the enclosing body all over a door or window opening; "the casings had rotted away and had to get replaced" Information Study a lot more information Why U.S. should be worried about Ukrainian assault on Russian warplanes Audacious — and wildly productive — use of inexpensive drones https://harvard-case-study-help12535.ampblogs.com/hbr-case-study-analysis-fundamentals-explained-72441870