For purposes of clarity and preservation of the terms of the contract it is always a good idea to put all contracts in writing. (bellas-wachowski.com)
-- Letters should include the writer's full name, address and home telephone number and may be edited for purposes of clarity and space. (si.com)
It may serve the purpose of clarity if having made this qualification I state bluntly my thesis that the utopianism in the liberal faith had a lasting value which it derived partly from the Christian faith and partly from what was valid in the world view of the Enlightenment. (religion-online.org)