In case you have your favorite set of filters you would like to use from time to time, you can save them and get back to this standard set of filters anytime you need.
For example, you have a standard target audience settings and you have found a perfect set of keywords that bring best results according to your niche. You only need to change location filters every time you expand to a new market.
Thus, in order to create a filter template, just click on "Save search":
This search will be available in My searches every time you open Discovery: