The number of subordinates who report directly to an executive or supervisor is called the span of control.

Chapter 3 covers the cytoplasm, which includes the cytosol and various organelles, each with specific structures and functions: the nucleus controls cell activities and stores genetic material, mitochondria produce ATP as the cell’s powerhouse, rough ER synthesizes proteins while smooth ER handles lipid production and detoxification, the Golgi apparatus modifies and packages proteins, lysosomes digest cellular waste, peroxisomes detoxify harmful substances, ribosomes synthesize proteins, the cytoskeleton maintains cell shape and organizes organelles, centrosomes with centrioles organize microtubules during cell division, and vacuoles store nutrients, waste, and water.

To avoid traffic gridlock in large metro areas, a community might use DEMARKETING to discourage travelers from driving during peak commuting hours.

Railroads were once operated based on the thinking that users wanted trains rather than transportation, overlooking the challenge of other modes of transportation. This reflects the product concept.

Though often criticized, the selling concept is particularly appropriate and effective with unsought types of products.