Meanings

single column (in marching)

troop headquarters

may the presiders over warriors be my vanguard (nine-character charm chanted to ward off evil)

battle formation

press corps

battle surcoat

head of an army

death in battle

one's first campaign

magic square

rear guard

column

square formation (of troops)

confrontation of armies

(lineup of authors engaged in a) war of words

enemy camp

(construction of an) argument

encampment

Nishijin silk fabrics

the Communist camp