The rules that use the vocabulary item "the" are:

<orientation_phrase>

to the <orientation_word>

<det-sing>

the

<enemy_phrase-mobile>

the <enemy_nominal-mobile>

<det-not_indef-num_all>

the

<line_name>

the <line_type-sing>

<compass_direction>

<to_prep> the <cardinal_direction>

<det-not_indef-sing>

the

<det-pl>

the

<attack_noun_phrase>

the <assault_noun>

<point_name>

the <location_description>

<det-not_indef-pl>

the

<obstacle_phrase>

the <obstacle>

the <obstacle> obstacle

<the_unit>

the unit

<except>

with the exception of

<area>

the <area_name>

<det-not_other-not_indef-pl>

the

<enemy_phrase>

the <enemy_nominal>