Each of the 3,650-square-foot floors would then be on a single level.

A single level in the hierarchy is also called a region.

We could go to a party on every single level.

As a result, most new fire stations are designed and built on a single level.

We have barriers placed in front of us at every single level.

Running an oil company is, at almost every single level, a very complex business.

Each combination of a single level selected from every factor is present once.

An apple will die if it falls a single level.

This single level inspired the studio to press on with the game.

For example, what criteria will be used to determine a single level of interest rates?