The phrase "certain limits" means that there are specific boundaries or restrictions in place that cannot be crossed or exceeded.
Sentences with «certain limits»
But they also have to meet certain limits on fat. (thelunchtray.com)
If you wait longer than that, you will be barred from bringing suit, except in certain limited circumstances. (thefinelawfirm.com)
Obviously, the business outfit, which can be much lighter, lighter and relaxed, but without exceeding certain limits of elegance. (latesttrendfashion.com)