The six consecutive clauses covered: measured and bulk grain; a fixed vessel; a fixed stone; an uncounted heap priced per qafiz; a flock priced per sheep; and a cloth priced per cubit.
Their core lesson is to distinguish known unit price from a known total subject and consideration.
The next original clause begins with “wa-man ibta'a sabratan...” and discusses a sale in which the actual delivered quantity differs from the stipulated quantity.