Now, this is a pretty simple concept.

WHITEHOUSE: Helping Businesses Grow and Hire New Employees

It's a pretty simple concept.

WHITEHOUSE: President Obama Takes Questions from Senate Democrats

Although the practical mechanics of the experiment are complex, the basic concept is pretty simple.

FORBES: Making Something Exist in Two Places At Once

And as far as, you know, having to purchase some, I mean, the concept is pretty simple.

NPR: Vegetable Gardening On A Budget

And the concept is pretty simple.

WHITEHOUSE: Backyard Discussion on Women and the Economy

"In concept, it's pretty simple, " says Michael Brownrigg, a trade policy officer with the U.S. Consulate-General in Hong Kong.

CNN: SEWING UP A DEAL

In concept the news business is pretty simple: you give away content to readers and then sell access to those readers to companies that want to sell products to them through advertising.

FORBES: Failure to Renew: Why Yahoo and AOL Will Perish