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
Insofar as legitimacy, understood normatively, defines which political institutions and which decisions made within them are acceptable, and, in some cases, what kind of obligations people who are governed by these institutions incur, there is the question what grounds this normativity.