To pin point something means to establish its <u>accuracy </u><u>to the </u><u>highest degree. </u>
<h3>Pin pointing</h3>
Derived from the very small and sharp end of a pin.
Refers to finding something to the most accurate measure it can be found.
When something is pinpointed, it means that it is accurate. For instance, if you kick a ball and it hits a target that you wanted it to hit, then it can be said that you kicked the call with pinpoint accuracy.