A Chair In A Room

“Always design a thing by considering it in its next larger context—a chair in a room, a room in a house, a house in an environment, an environment in a city plan.” — Eliel Saarinen

For our purposes, perhaps: A variable in a line, a line in a block, a block in a function, a function in a module (or class), a module in a library, a library in an application, an application in a solution. A solution to a problem.

Your mileage may vary.