Refer to the Requirements Development process area for more information about ensuring that the requirements reflect the needs and expectations of the customer. Refer to the Project Monitoring and Control process area for more information about taking corrective action.
pane. 1  one of the divisions of a window or the like, consisting of a single plate of glass in a frame. 2  a plate of glass for such a division. 3  a panel, as of a wainscot, ceiling, door, etc. 4  a flat section, side, or surface, as one of the sides of a bolthead.
A mullion is a type of cabinet door that features glass panels rather than solid wood. The glass panels have dividing bars similar to those found in window panes.A mullion is a cabinet door that is composed of glass panes. The panes are separated by wood or aluminum strips, which create a grid.This mimics the feature that is found on many types of windows. mullion is a cabinet door that is composed of glass panes. The panes are separated by wood or aluminum strips, which create a grid. This mimics the feature that is found on many types of windows.