Much of this work was shared among sites and important changes found their way back into the core system.

"We're up and running with two of our three core financial systems," she said.

For example, server-centric applications and development tools are not part of the core system.

In the 2010-2011 school year, the core system was changed.

We're pretty far from home, and even in the core systems it would take time to get this kind of thing approved.

It's too bad, because the core system is well designed.

He ran around the edge of the tier, and then found a bridge to enter the core system.

The core system has cut the freshman failure rate (the percentage of students who fail at least one class) from 28% to 14%.

At the moment, they're not trying to move in and take any of our core systems away from us.

Everything else is being held back to defend the core systems.