Ecology is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them.
In Common Usage. documentation is one of the 10000 most commonly used words in the Collins dictionary.
noun. verb. The definition of a chronicle is a record of things that have happened in the order which they happened. A US history book is an example of a chronicle. Chronicle means to gather facts and information about events which have happened. Interviewing family members about family history and keeping a record of what they say is an example of to chronicle.