The South Beach Diet restricts carbohydrates - carbs, as diet dilettantes like to say. True, good carbs are allowed, but South Beach dieters must say goodbye to potatoes, fruit, bread, cereal, rice, pasta, beetroot, carrots, and sweet corn for the first two weeks.
Normatively definition, of or relating to a norm, especially an assumed norm regarded as the standard of correctness in behavior, speech, writing, etc. See more. Dictionary.com
Facultative means optional or discretionary (antonym obligate), used mainly in biology in phrases such as: 1  Facultative anaerobe, an organism that can use oxygen but also has anaerobic methods of energy production. It can survive in either environment. Facultative biped, an animal that is capable of walking or running on two legs as well as walking or running on four limbs or more, as appropriate.