Make Decisions on which solutions best satisfy your objectives. If you wish to converse with me, define your terms, said Voltaire. Our assumptions define us . They limit us. They can also kill people.
Ambiguity is another major source of risk.
Tasks, properly defined, are already half done . Defining things twice is often useful stating what you want and what you don t want. Paraphrasing, written confirmation, drawings, models, trial runs, etc. The least initial deviation from the truth is multiplied later a thousand fold. Aristotle said 2,400 years ago.