Common Terms. Ecosystem An ecosystem is any geographic area that includes all of the organisms and nonliving parts of their physical environment. An ecosystem can be a natural wilderness area, a suburban lake or forest, or a heavily used area such as a city.
Definition of documentation for English Language Learners. : 1  the documents, records, etc., that are used to prove something or make something official. : 2  written instructions for using a computer or computer program.
Examples of the functions of documentation include: providing a record of what was done, instructing an individual on how to perform tasks, defining specifications, ensuring traceability, and providing evidence that a product was made according to regulatory or in house requirements.