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

<engagement_loc-gapsout_pp_gap-gapsin_pp_gap>

<area>

<move_mod-gapsout_pp_gap-gapsin_pp_gap-not_compass_direction>

into <area>

<engagement_loc-gapsout_null-gapsin_null>

<area>

<move_mod-gapsout_null-gapsin_null-not_compass_direction>

into <area>

<move_mod-gapsout_np_gap-gapsin_np_gap-not_compass_direction>

into <area>

<engagement_loc-gapsout_np_gap-gapsin_np_gap>

<area>