# How to Use Annotations Source: https://docs.labellerr.com/actions/annotations-guide Everything you need to know about image annotation types in Labellerr, including Bounding Box, Polygon, Line, Segmentation, Landmark/Keypoint, and Ellipse. ## Everything you Need to Know About Image Annotation *** ### These are the annotation types that you can use on Labellerr. 1. **Bounding Box** 2. **Polygon** 3. **Polyline** 4. **Keypoint** 5. **Dot** Once on the Labelling Screen, the tools appear on the left. Only the Objects selected while making a project would be visible. More can be added from the settings Labelling Screen Tools ### Bounding Box A bounding box is a rectangular frame used to mark the location of an object in an image. It is one of the most common annotation methods, typically used for object detection and localization. Use M for manual bounding box and A for AI-assisted bounding box. Bounding Box manual Example Bounding Box ai mode Example For more, check out this video tutorial