The concepts described on these pages are words and expressions used in statistics with a specific, limited meaning. In everyday speech the word may have a different meaning. In connection with each definition you can find information about which sets of statistics use the concept.
If you are looking for statistical figures, go from the definition to the statistics page.
An airplane is a fixed-wing aircraft with a weight greater than the air.
Statistics using the definition
Validity of the definition
- Valid until (31 December 2078)