Windows Boot Manager (n)~ A Boot Configuration Data (BCD) application object. Windows BranchCache (PN)~ A Windows component that helps speed data transfer within remote (branch) offices by caching the data on a local server or individual PCs. Windows button (PN)~ A tablet hardware button with the Windows logo on it that’s similar to the Windows key on a keyboard. Pressing the Power and Windows buttons simultaneously is the equivalent of pressing Ctrl+Alt+Del.