Briefly, in accordance with one or more embodiments, the contents of a window may be reflowed to accommodate one or more of a change in the size or aspect ratio of the window, a change in size of one or more objects or subwindows within the window, andor the addition or deletion of the contents of the window. Particularly, each orifice has a constriction for restricting an ink-jet error angle to a range of 5 mrad with respect to a center axis thereof. In one aspect of the invention, the multimedia and data sessions are recorded on a physical medium, such as a CD or DVD, and the medium is then distributed. The power detection device detects the electrical condition on the power supply line.