# TWO-DIMENSIONAL DIMENSIONS

Dimensions are constraints that link geometric objects with a numeric
parameter (dimension value). Each dimension measures a specific numeric
geometric property, for example, the distance between points, the angle
between lines, or the circle radius. Logical constraints and dimensions
differ as the former have no numeric arguments. Each dimension always
has one numeric argument (scalar) besides geometric arguments. Driving
sketch geometry by using parameters and dimensions is discussed in Item
[Driving and Variational
Dimensions](subsections/EN/Driving_and_Variational_Dimensions.md).

```{toctree}

subsections/EN/Auxiliary_Points_of_Distance_Dimension
subsections/EN/Driving_and_Variational_Dimensions
subsections/EN/Zero_Dimensions_and_Signed_Dimensions
subsections/EN/Distance_Dimension
subsections/EN/Directed_Distance_Dimension
subsections/EN/Distance_From_a_Point_to_a_Segment
subsections/EN/Angular_Dimensions
subsections/EN/Angular_Dimension_Based_on_3_or_4_Points
subsections/EN/Radial_and_Diameter_Dimensions
```