head refers to the upper boundary of the window
and represents to top of the entire window.
jamb comes from the French for leg and supports
the outer edge of the window (the left and right boundaries).
frame is the entire outer portion of the window
and the construct in which the sashes or other parts move.
D. Glazing is any process or material applied to panes of
are individual units of glass, divided by muntin bars.
F. A sash
is an entire assembly of panes and is the part that generally
sill is the lower portion of the window, which
usually protrudes out from the wall.
H. Muntin bars separate individual panes (also known as grilles
or windowpane dividers).