Most often metadata is an information set that includes:
- means of creation of the data
- purpose of the data
- author of the data
- date and time of data creation
- placement of the data on a computer network
- the standards used or followed
"Books constitute capital. A library book lasts as long as a house: for hundreds of years. It is not, then, an article of mere consumption but fairly of capital, and often in the case of professional men, setting out in life, it is their only capital." – Thomas Jefferson, (1743-1826), 3rd President of the United States.