расписать(The renter signs a lease that spells out the terms of the rental agreement: term, rent, terms of payments and fees, restrictions such as pets or smoking, and charges for damages. PyatKopeyek); детализировать(PyatKopeyek)
разъяснить(media term: "We're waiting to hear from the senior minister who's going to spell out the federal take on the spill situtation." – разъяснить позицию (с) ART Vancouver 4uzhoj)
сказать прямым текстом(to someone: I tried to send him subtle hints about not arriving late to work, but it didn't seem to work so finally I had to spell it out to him.4uzhoj)