This is the 2518th most frequent Japanese word.
取引
Transaction; trade; deal.
取引 is used to mean 'transactions' or 'business dealings' in this sentence, describing interactions with a company for commercial gain.
その会社と取引を始めた後、利益が増加しました。
After starting transactions with that company, profits increased.
取引 refers to a 'deal' or 'agreement,' often implying something negotiated between parties.
彼らの間には秘密の取引が行われているようだ。
It seems there is a secret deal taking place between them.
取引先, incorporating '取引,' refers specifically to 'clients' or 'business partners,' highlighting professional interactions.