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.
A device used to soft en or change the tone quality of an instrument. Mutes can be clamped to the bridge of bowed string instruments. Mutes for brass instruments are cone shaped and fit into the instrument's bell. Oboe.