If you stride somewhere, you walk there with quick, long steps.

A stride is a long step which you take when you are walking or running.

Someone's stride is their way of walking with long steps.

If you make strides in something that you are doing, you make rapid progress in it.

If you get into your stride or hit your stride, you start to do something easily and confidently, after being slow and uncertain.

In British English, if you take a problem or difficulty in your stride, you deal with it calmly and easily. The American expression is take something in stride .