A reference model is used to clarify "things within an environment" or a problem space.

We need to speak to him and clarify things immediately.

There were too many names in a rush, but this did help clarify things.

"Sometimes a show of force by one side can really clarify things."

Well, maybe he could clarify things a little over the next few days.

I didn't know how to take that at first, but she clarified things quickly.

I wanted to thank those who have paid their respects to my father and to clarify things for some people.

"Of course not, and when you do it will help clarify things, maybe."

And just to clarify things, the income-tax cut has more than paid for itself.

Perhaps the demand to clarify things in advance does have an impact.