annulus_width
board_edge
buried_via
clearance
condition
constraint
disallow
footprint
graphic
hole
inner
layer
max
micro_via
min
npth
opt
outer
pad
pth
rule
selector
text
track
track_width
version
via
zone
edge_clearance
hole_clearance
courtyard_clearance
silk_to_pad
silk_to_silk
match_lengths
match_skew
diff_pair