set up a business, system, institution, committee, account, etc.

fortress walls; town walls (walls surrounding a fortress or town)

place, location / site (location designated for some purpose) / space, room / a seat / (sumo) tournament

interval; gap; space between / arrowslit

(in place names) interstice; passage between / (in place names) gorge, valley; ravine

arrowslit / narrow gap

an attack

to attack

Short name for the North Korean pop song 공격전이다 (Gonggyeokjeonida).

(neologism, Internet slang) Synonym of 攻撃 (kōgeki, “to attack”)