To answer the question technically, wort is a liquid solution of extracted grains, a sugar source which brewers create and then ultimately feed to beer yeasts. Non-technically, wort is sugary grain water.All fermented beverages—be it wine, beer, hard cider, or spirits—start with some sort of liquid

Generally for a fermentation vessel, the yeast gather at the top and bottom of the fermentation broth, but if you give the yeast enough time, they will all run to the bottom of the fermenter and wait for you to collect as much as possible.

The brewing fermentation stage is divided into the main Fermentation and post-fermentation, with a yeast recovery stage in between.