The study of marketing processes, activities, institutions, and results from a broad perspective such as a nation, in which cultural, political, and social, as well as economic interaction are investigated. It is marketing in a larger context than any one firm.
Primary instrument. A primary instrument is a scientific instrument, which by its physical characteristics is accurate and is not calibrated against anything else. A primary instrument must be able to be exactly duplicated anywhere, anytime with identical results. Pressure.
Musical instrument classification. Throughout history, various methods of musical instrument classification have been used. The most commonly used system divides instruments into string instruments, woodwind instruments, brass instruments and percussion instruments; however, other schemes have been devised.