Annotation

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article's lead section may be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article. (February 2015) This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Annotation" – news · newspapers · books · scholar · JSTOR (February 2015) (Learn how and when to remove this message) (Learn how and when to remove this message)

An annotation is extra information associated with a particular point in a document or other piece of information. It can be a note that includes a comment or explanation.^[1] Annotations are sometimes presented in the margin of book pages. For annotations of different digital media, see web annotation and text annotation.

Five types of annotation are given LIDAR annotation, Image annotation, Text annotation, Video annotation, Audio annotation^[2]