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.
Functional Requirements Document Template. Table of Contents â Lists Sections, subsections, figures, glossary, etc. and page numbers. 1. Functional Requirement Area â Organizes the document into the broad. business/functional area (i.e. Security, Order Entry, Billing, etc.).