The local population contained three distinct social levels that were in constant conflict.

Broadly there have been three distinct levels of archaeological research into the site.

The inner culture of higher education works on two distinct levels.

It hit me hard and fast and on two distinct levels.

It was certainly something which operated on two unusually distinct levels.

The work, which took eight years to complete, created a fort with two distinct levels.

This summit meeting, which operated on four distinct levels, was more complex than those before.

Training takes place through five distinct levels, each of which lasts from 24-32 hours.

Their three distinct levels of development usually occur in varying habitats.

It was decided that the Project would operate at two separate and distinct levels.