the order of the spectrum is radio, microwave, infrared, visible, ultraviolet, x-ray, and gamma-ray. An easy way to remember the order of the spectrum is to use the mnemonic "RabbitsMateInVeryUnusual eXpensiveG
which any particular embodiment of the invention is directed, i.e. they could appear on maps, guidebooks, phone directories, files, etc., as well as on catalogs, messages and advertising spots for products. Such designations could be made on the basis of mnemonic and classification references...