"Baseball's still a huge issue with me because it helps define part of my identity," Bush said.

Those areas are defining part of the future of health care, and it's happening in the United States.

It defines part of the boundary between King and Pierce counties.

The Black River defines part of the north town line.

The cove Vejlen helps to define part of its southern border.

The Hoosic River defines part of the south town line.

Its eastern shore defines part of the town's northern border.

The term 'jazz singer' defines only part of who I am.

Schunnemunk Mountain defines part of the west town line.

They are a central, defining part of growing up for millions of people.