Some software development processes do not require anything more than a simple use case to define requirements.

He worked with a group defining requirements for what humans need to live and work on the surface of the Moon.

As mentioned previously, no set of clearly defined architectural requirements and information use policies is available.

There are similar initiatives that try to define minimal requirements.

To measure that quality it is necessary to define requirements.

Therefore it's actually quite difficult to define really really accurately requirements.

Making it essentially illegal to live permanently in a house that is too small, low cost or not meeting to other government defined requirements.

It should be a comprehensive document, approved by the client, which defines his or her requirements for the project.

Defining mandatory basic requirements will also ensure a high degree of protection for consumers, health and the environment.

These define clear requirements for the licensing of industrial installations.