Typographically, the basic difference between the majuscules and minuscules is not that the majuscules are big and minuscules small, but that the majuscules generally have the same height.
Since the human body is only slightly less dense than water, water supports the weight of the body during swimming.
Service-Commodity Goods Continuum
Business services are a recognisable subset of Economic services, and share their characteristics. The essential difference is that Business are concerned about the building of Service Systems in order to deliver value to their customers and to act in the roles of Service Provider and Service Consumer.
Most products fall between these two extremes. For example, a restaurant provides a physical good, but also provides services in the form of ambience, the setting and clearing of the table, etc.
The Power of Forest
Adam Smith’s famous book, The Wealth of Nations, published in Great Britain in 1776, distinguished between the outputs of what he termed «productive» and «unproductive» labor.