Bar - musical notation for just a repeating sample of musical beats; "the orchestra omitted the final twelve bars of the music" : something which obstructs or helps prevent passage, progress, or action: such as a regulation : the long lasting preclusion of the assert or action (see motion sense https://linkdirectory101.com/listings1041487/how-much-you-need-to-expect-you-ll-pay-for-a-good-cafeteria