Corresponds to the anterior. (Costomediastinal) line of pleural reflection. 2. It is deeply notched in the left lung posterior. to 5th costal cartilage by the pericardium costal cartilage by the pericardium. and extends vertically downwards to form. Lingula.
Generally speaking, a principle is a rule, standard, or belief of one kind or another. As an adjective, principal means âmost importantâ, while a principal is â generally speaking â a person who is most important in a particular organization or group.
Principal has a specific meaning in the context of commercial law. From Wikipedia : a principal is a person legal or naturalâwho authorizes an agent to act to create one or more legal relationships with a third party. Effectively, this means that the principal is the business.In the case of a corporation, say General Electric, the principal is General Electric itself, while Jack Welch was one of its agents during the 80s and 90s. partner or owner of a business. This is primarily the only reason you would use the word principal in the world of business. In Business terms, Principal has one meaning, you would be a part of a company with a financial interest in that company.