The reality, though, is that laxatives do nothing to help you lose weight. Calories already are consumed by the time the laxatives work, and the weight you lose is mainly water. What you will get by abusing laxatives are a host of medical problems. These are just a few.
Security principals that are created in an Active Directory domain are Active Directory objects, which can be used to manage access to domain resources. Local users and security groups are created on a local computer and can be used to manage access to resources on that computer.
In commercial law, a principal is a person, legal or natural, who authorizes an agent to act to create one or more legal relationships with a third party. This branch of law is called agency and relies on the common law proposition qui facit per alium, facit per se. It is a parallel concept to vicarious liability and strict liability in criminal law or torts.