This "quick tutorial" introduces the general idea of a call and explains the most common cases. It does not explain or illustrate all cases. For additional details and/or examples, refer to the links in the "MORE INFO" box.
But since it is all done as one smooth motion, the final action of stepping ahead to take right hands can be considered to be a continuation of the Dosado. So you can, if you prefer, think of Dosado to a Wave as just "a little more than a full Dosado" (more specifically, a full Dosado plus another 1/4 of a Dosado, for a total of 5/4 of a Dosado).