Per capita ecological footprint (EF), or ecological footprint analysis (EFA), is a means of comparing consumption and lifestyles, and checking this against nature's ability to provide for this consumption.
This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (April 2016) (Learn how and when to remove this template message) A Product Requirements Document (PRD) is a document containing all the requirements to a certain product. It is written to allow people to understand what a product should do.
Full Definition of DOCUMENT. 1. a archaic: proof, evidence b: an original or official paper relied on as the basis, proof, or support of something c: something (as a photograph or a recording) that serves as evidence or proof. It is important to keep all of your financial documents in a safe place. 2  An important classified document has been leaked to the media. 3  creating a new document on your computer.