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 primary source is an original object or document-- the raw material or first-hand information, source material that is closest to what is being studied. Primary sources vary by discipline and can include historical and legal documents, eye witness accounts, results of an experiment, statistical data, pieces of creative writing, and art objects.