A massage chair has a seating surface, a backrest and armrests at the opposite left and right sides. Specifically, the manipulation of layered windows includes moving a pointer to a visible portion of a partially hidden window and holding the pointer at the visible portion for a predetermined period of time. The valve or control systems help the user regulate the flow of fluid from a flexible barrel reservoir to a brush or applicator tip by adequately restricting flow in response to squeezing pressure applied by the user to the flexible barrel reservoir. The form standard provides a physical form that allows many of the varying package sizes found in the broad family of CSP packages to be used to advantage while employing a standard connective flex circuitry design. In some embodiments, a device displays a plurality of character selection options when a text entry field is not tolerant of character ambiguity and a first input corresponds to a plurality of candidate characters.