contract – a document with conditions if which broken becomes void.
covenant – a promise – man to man; man to God; God to man. Cannot be broken. Within a covenant there are vows and promises.
Covenants in the Bible – Noah – after the flood; Abraham – with circumcision to separate his people.
Is 54:10 – my unfailing love for you will not be shaken nor my covenant of peace be removed
Marriage is not a contract but a covenant – it can’t be broken.