Which type of dimension is typically used for single measurements without reference to other dimensions?

The type of dimension that is typically used for single measurements without reference to other dimensions is known as a Smart Dimension. This dimensioning type allows users to quickly assign dimensional values to features or distances within a drawing without needing to consider their relationship to other dimensions. Smart Dimensions are highly intuitive and automatically generate the appropriate measurement and placement based on the selected geometry, ensuring efficiency and accuracy when working on design documents.

Chain Dimensions and Baseline Dimensions, while useful in specific contexts, involve measurements that are interconnected or relate back to a shared reference point, which is not the case for single, standalone measurements. A Radial Dimension specifically pertains to circular features, indicating the radius of circles, and again does not serve the purpose of measuring simple distances independently. Therefore, Smart Dimension stands out as the correct choice for one-off measurements without dependence on other dimensions.