places
black chamber
gap
layer
margin
origin
page
(postal communication language)
destination
location
place
post office box
route
border
(edges)
folded edge
edge (component boundary)
edge (gathered material boundary)
edge (letterpacket boundary)
edge (substrate boundary)
accessible edge
inaccessible edge
top edge
bottom edge
right edge
left edge
short edge
long edge
fore-edge (bifolium feature)
gutter edge
treated edge
panel
closure panel
dirty panel
multi-layer panel
secretarial notation panel
short panel
single-layer panel
tall panel
panel pattern
diamond-shaped panel
pentagon-shaped panel
rectangle-shaped panel
square-shaped panel
trapezoid-shaped panel
triangle-shaped panel
outer panel