Uses information of the location where the picture was taken. This information comes from the GPS of the drone.
An Orthomosaic is similar to Google Earth images, but way sharper. It is a large, map-quality image with high detail and resolution made by combining many smaller images called orthophotos.
A mosaic is a collection of images that together create a larger image. An orthomosaic is created using photogrammetry, which involves taking aerial photographs and then analyzing them to determine the correct location.