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Principal (music) The section principal in an orchestra, as well as any large musical ensemble, is the lead player for each respective section of instruments. For example, there are multiple sections in an orchestra. The strings, woodwinds, brass, and percussion sections all have subsections. The first violins, second violins, violas, cellos ...
v. t. e. 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 (from Latin: "he who acts through another, acts personally").
A principal dancer (often shortened to principal) is a dancer at the highest rank within a professional dance company, particularly a ballet company . A principal may be male or female. The position is similar to that of soloist; however, principals regularly perform not only solos, but also pas de deux. Principal dancers can be hired into a ...
Principal (academia) The principal is the chief executive and the chief academic officer of a university or college in certain parts of the Commonwealth . In the United States, the principal is the head of school at most pre-university, non-boarding schools.
Concertmaster. The concertmaster (from the German Konzertmeister ), first chair [1] (U.S.) or leader [2] (U.K.) is the principal first violin player in an orchestra (clarinet or oboe in a concert band). After the conductor, the concertmaster is the second-most significant leader in an orchestra, symphonic band or other musical ensemble .
A principle is a fundamental truth or proposition that serves as the foundation for a system of beliefs or behavior or a chain of reasoning. [2] That is a guide for behavior or evaluation. In law, it is a rule that has to be or usually is to be followed. It can be desirably followed, or it can be an inevitable consequence of something, such as ...
Principal component analysis ( PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing . The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
Principal (commercial law), the person who authorizes an agent. Principal (architecture), licensed professional (s) with ownership of the firm. Principal (criminal law), the primary actor in a criminal offense. Principal (Catholic Church), an honorific used in the See of Lisbon.