Deviation: The difference between the actual physical object and its corresponding 3D CAD model. This difference can arise due to a variety of factors, including manufacturing variations, assembly issues, and other factors that may affect the final shape or dimensions of the object.
Thickness: Checking a scanned data which unnecessary to cut an actual part
2D Dimension: Dimension measurement directly from the scanned data
Cross Section: To check dimeter, dimension, etc. from the scanned data compared with CAD