fordevelopment Alignment is a relationship between multiple objects ideas/concepts/forces/bodies. It refers to them having a distinct dimension that is similar or becoming more similar: the action of aligning.
We will be referring to the main one used in partner dance on this page. The alignment of the body with itself, the partner or momentum. But if you are here for another type of alignment they are listed here so you can find the correct one: Offset Alignment of Intention
Now lets focus on mechanical alignment.