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

<new_line>

<det-indef-sing> <color> line

<det-indef-sing> line

<displayable_thing>

miclic line

<formation_mod>

on line

<line_type-color-sing>

phase line

<line_type-sing>

boundary line

coordinated fire line

fire support coordination line

line of departure

phase line

<formation_command>

<get_in_formation_verb> in line

<get_in_formation_verb> on line

<formation_value>

line