Final answer:
When the ends, sides, or corners of an object are to be rounded, the feature that is shown and dimensioned is called a fillet.
Step-by-step explanation:
When the ends, sides, or corners of an object are to be rounded, the feature that is shown and dimensioned is called a fillet. A fillet is a rounded internal or external corner of a part, formed by blending the two intersecting surfaces. It is typically denoted by a curved line connecting the two surfaces.