The rules that use the category "<cardinal_direction>" are:

<bearing_range>

<cardinal_direction> <reference_point> <range>

<cardinal_direction> <width>

<cardinal_direction> <width> from <contact_type-simple>

<width> <cardinal_direction>

<width> <cardinal_direction> <of_from> <contact_type-simple>

<bearing_spec>

<cardinal_direction>

<bearing_spec-three_dig>

<cardinal_direction>

<bearing_spec-recursive>

<cardinal_direction>

<compass_direction-gapsout_null-gapsin_null>

<cardinal_direction>

<to_prep> the <cardinal_direction>