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.
Diverse handheld instrumentation is common in laboratories, but can be found in the household as well. For example, a smoke detector is a common instrument found in most western homes. Instruments attached to a control system may provide signals used to operate solenoids, valves, regulators, circuit breakers, or relays.n instrument is a device that measures a physical quantity such as flow, temperature, level, distance, angle, or pressure. Instruments may be as simple as direct reading thermometers or may be complex multi-variable process analyzers.