Verses 65–67 rest on a cluster of terms. Without distinguishing them, the lines may look like a generic moral sermon, whereas they recall a specific agreement and the obligations surrounding it.
TermMeaningFunctionḤilfAllianceBasis of settlementʿUhūdCovenantsBinding promisesKufalāʾGuarantorsSupport for fulfilmentMahāriqWritten sheetsRecord of obligations
The promise and the guarantor are not synonyms: one is an obligation, the other the party undertaking to secure it.