This last step is best explained first in a certain limit.

"But these things have to be contained within certain limits."

It's like there is a certain limit to the amount of power and success that people are comfortable with you having.

He knew within certain limits how far the old Baron would go against family.

Within certain limits, you were to go your own way.

However, rates can not exceed certain limits set by the state.

"But in order to get these bills passed, you have to accept certain limits."

"There are certain limits that wind up coming into play," he said.

The quality of the work suffers once you get over a certain limit.

Each character can only hold up to a certain limit of items.