An individual nerve cell is a neurone. Bundles of these form nerves that run around your body transmitting information. Bundles of these are called possible a nerve trunk or nerve ganglion.
The five goals are typically divided into the three that are most important for macroeconomics (the macroeconomic goals of full employment, stability and economic growth) and the two that are most important for microeconomics (the microeconomic goals of efficiency and equity).
Gross Domestic Product (GDP) and Gross National Product (GNP) both try to measure the market value of all goods and services produced for final sale in an economy. The difference is how each term interprets what constitutes the economy. GDP refers to and measures the domestic levels of production in a country.