expression, godan verb (-u)
keep in contact; stay in touch
Used for mutual, ongoing communication, typically by phone, email, or messaging. Implies a reciprocal action between two or more people.
卒業後も、友達と連絡を取り合っている。
Even after graduation, I keep in touch with my friends.
遠距離の家族
I try to keep in contact with my long-distance family at least once a week.