The museum is divided into three sections, aptly named The Dream, The Reality, and The Nightmare.

FORBES: History's Witness: Prague, Communism, And The Socialist Ideal

It's divided into three sections--corporate America, investment America and mutual fund America.

FORBES: Get Briefed: Jack Bogle

The volume is divided into three sections.

FORBES: Harnessing the Profit Motive to Transform Education

Then they divided the whole brain into small sections with a three-dimensional grid and recorded the activity in each section of the grid for each second.

WSJ: How the Brain Really Works | Mind & Matter by Alison Gopnik