Legal drinking age. The legal drinking age is the age at which a person can legally consume or purchase alcoholic beverages. These laws cover a wide range of issues and behaviors, addressing when and where alcohol can be consumed.
An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the concept.
See âOverview of the Open System of an Organizationâ on page 144 for a depiction of the open system of an organization. Boundaries All systems have boundaries, although the boundaries can be difficult to identify because systems can be very dynamic.