Please find below a quick guide to technical words as they apply to organic aromatic and medicinal herbs, a lot of the definitions have either come from technical books or Wikipedia. For any reference to medical terms please seek further information from properly trained and qualified medical practitioners.
This is a work in progress as I run across new ideas, concepts and practices.
Herbals a collection of descriptions of plants put together for medicinal purposes Source Wikipedia Herbals
Pharmacopoeia (literally, “drug-making”), in its modern technical sense, is a book containing directions for the identification of compound medicines, and published by the authority of a government or a medical or pharmaceutical society. Source Wiki Pharmacopoeia