Determining when a core unit has reached its potential is not an exact science.

The very first decision to make is what core units to include in your army.

Decide on what core units you're going to have before even thinking about the rest of your army.

You have to imagine how your supporting troops are going to help the core units do their job.

The core units of the army came from Africa.

Students take a series of core units in their second and third years.

The core units focus on the relationship between literature and its background.

But down the stretch of games, I'm going to go with the core unit.

The overall design of the 800 is nice but we're still talking about single core unit with a 3.7 inch screen and no 4g access.

The addition of new information would continue, but this was the core unit from which ever more knowledge would spring.