The term 'toward the mouth or oral region' can be summarized by the four-letter word 'orad, ' which is an abbreviation for 'orally administered drug.' This term refers to a drug that is taken orally, meaning it is swallowed or placed in the mouth and absorbed through the mucous membranes. It is often used to describe medications that are taken by mouth, such as pills, tablets, capsules, liquids, and powders.