ISO 16792 - Dimension(s), tolerance(s), note(s), text or symbol(s) visible without any manual or external manipulation.

Action Engineering - A data element displayed in the 3D Data which includes information about the product, such as dimension, tolerance, or notes, and is associated with a particular feature in the model.

MBE Maturity Index - Visible, non-shape information contained in a 3D model.

Model-Based Characteristics (MBC) - An item of text or symbology conveying visible, non-shape information contained within a 3D model.