A claim or credit: the right to demand payment or performance from another party; the counterpart to a debt/liability.
会社は取引先に対して多くの債権を持っている。
The company has many receivables (claims) against its clients.
債権回収のために弁護士に依頼した。
They hired a lawyer to collect the claim.
債権の譲渡が行われ、債権者が変わった。
The claim was transferred, and the creditor changed.