> For the complete documentation index, see [llms.txt](https://janelia-flyem.gitbook.io/neutu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://janelia-flyem.gitbook.io/neutu/annotation.md).

# Annotation

NeuTu allows you to annotate an individual body (body annotation) or add a point annotation at any location.  

A body annotation is a set of information that describes a body, such as its proofreading status and its neuron name. 

A point annotation is associated with a unique location. There are several kinds of point annotation:

* Bookmarks: this category is mainly for flagging an interesting location or something that should be examined later.
* Todos: they are similar to bookmarks, but mainly for proofreading purposes as the name suggests. Unlike bookmarks, they are associated with bodies.
* Synapses: synapse annotations, including pre-synaptic (T-Bar) and post-synaptic (PSD) elements.