if something requires something else then that something optional obtain that something else
item is one_singular_independent_thing. thing is not individual_item. thing is one_individual_item. thing is not one_individual_item. directions_to_get_somewhere is not how_to_thing. thing is individual_item. directions_to_get_somewhere is how_to_thing. item is not one_singular_independent_thing. alternative_thing is not atypical_thing. everything is not one_thing.