The world of aromatic essences is a rich and entangled one. On the one hand, the varied and intricate methods and products derived from natural materials. On the other, the many chemically-produced essences (nonetheless beautiful, sometimes) reproduced or even envisioned anew in the lab. Both worlds bring their own magic to perfumery, but wading the waters can become tricky. Here is a short but concise guide to making your way through the glossary of perfume terms referring to aroma extraction and essence production for use in perfumery.