Whenever you need to quickly find something, you can press the combination of "CTRL + F" and a search box will appear at the right top corner.
For example if you are at the Roles and you need to find a permission you will have to press on your keyboard "CTRL" and "F" and write down a word that contains what you are looking for:
As shown below.
In this example, the word "Car" was written down at the search box and it shows you everywhere where you can find that word.