Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Annotation
open-in-new
<p>An annotation is extra information associated with a particular point in a <a href="/facts/Document/H4Hdxu91">document</a> or other piece of information. It can be a note that includes a comment or explanation. Annotations are sometimes presented <a href="/facts/Marginalia/HHGWChQn">in the margin of book pages</a>. For annotations of different digital media, see <a href="/facts/Web_annotation/W5lqCQhy">web annotation</a> and <a href="/facts/Text_annotation/5Mq1aNyS">text annotation</a>. </p><p>Five types of annotation are given LIDAR annotation, Image annotation, Text annotation, Video annotation, Audio annotation </p>