back-end back end back-end back end back-end back end back-end back-end Back-end back-end back-end back-end back-end back-end back-end back-end back-end back-end front or back end back end back ends back end back-end back-end system back end back-end back-end back-end back end back-end back-end back-end Back-end back-end back-end back-end system Definition of backend back-end back-end back-end back-end According to searchdatacenter.techtarget.com back-end back-end services back-end back-end backend business processes back-end back end back-end back end back-end front end or back end back-end back-end servers back-end back-end back end back-end