election campaign office; general branch office
Refers to a local campaign headquarters or branch office used during elections, especially for political parties or candidates. Often temporary.
During the election period, many supporters gathered at the campaign office.
He volunteers at the local campaign office.
Compound of 総 (そう, 'general, overall') and 支部 (しぶ, 'branch office'). The term is used in political contexts to denote a general branch office, often functioning as a campaign headquarters.