a These levels are based on Estimated Energy Requirements (EER) from the Institute of Medicine Dietary Reference Intakes macronutrients report, 2002, calculated by gender, age, and activity level for reference-sized individuals.
The definition of a channel is a waterway, a means of communication and a specific television or radio frequency. An example of channel is the English Channel. An example of channel is writing. An example of channel is Fox News.
Channel The message travels from one point to another via a channel of communication. The channel sits between the sender and receiver. Many channels, or types, of communication exist, from the spoken word to radio, television, an Internet site or something written, like a book, letter or magazine. Every channel of communication has its advantages and disadvantages.