But up to 100 groups without a top-down structure may be involved, making resistance hard to quell.

It's not like they have one leader, or a top-down structure.

As far as he could make out there was no absolute, top-down hierarchical structure at all.

We still have too many silos and rigid top-down structures in the arts sector.

"In the kitchen, it's not about top-down structure," he said.

This method symbolizes the old top-down, hierarchical structure of industry.

There is no top-down structure to honeybee society, no central command post or leaders with whips.

The group has a top-down, pyramid structure.

When you have a top-down structure, dialogue and discussion are inevitably removed from the process.

"This is a very different way of running the school system than a top-down, regional structure," she said.