Potions may include : Oils , Brews m Tinctures , Concotions and many other. Unlike what Wiccan practitioners claim , they do contain non-herbal materials despite the secret herb names disguised by terms such as Jew finger , toad leg and allike.
Even Crystal elyxirs can be part of potions or considered potions themselves.
To make Your potions You need to know well Your herbal , mineral and zoologicl correspondences and general proceduresof potioncraft. That means that You need to know how to make infusion, macerate , cocoction, philtre , oil and other forms of potions , how tp bless /enchant them etc .
In Cnjure tradition we use floorwshes and handwashes , and they can too be considered forms of potions. Like using yellow dock, and cinnamon with an optional addition of patchoulito make a infusion to anoint Your doorknobs to attract customers to Your business .
Chinese wash is a potion for itself and a floorwash. I wrote about that in another thread.
As for stiring that You metioned , it is popular in terms of European folk Craft where we tend to stir certain number of times , repeating by need . For example potions that have to do somethiong with spirits we would stir 7 times or 7 times in 7 times. Just consult number correspondences for this. Stiring Sunwise is used for potions that shoul attract something , while stirng in opposite directions is generally used in repeling and cleansing potions.
Read Gerina Dunwitch's Magick potions as it explains the materry pretty well. You have quite a few recipes for potions that are very good posted here.