What type of geometric entities are lines and circles categorized as?

Lines and circles are categorized as geometric entities because they represent fundamental shapes and forms in geometry. Geometric entities are the basic building blocks in design and modeling, serving as the primary elements from which more complex forms and structures can be created. These entities can be defined by various mathematical properties, such as length and curvature, and they provide the foundation for creating 2D and 3D models in software like Autodesk Inventor.

Understanding lines and circles as geometric entities is crucial for many design processes, as they are essential for defining outlines, pathways, and references in your models. They are not categorized as geometric features, which typically refers to specific characteristics added to a part or assembly, like holes or fillets. Geometric types is a less common term that does not specifically recognize the fundamental status of lines and circles in geometry. Geometric models imply a more complex arrangement of entities that represent comprehensive designs rather than the basic shapes themselves. Therefore, categorizing lines and circles as geometric entities captures their essential role within the broader context of geometric modeling.