Alignment has to do with custom artwork on poker chips. The process of aligning artwork in any manner takes additional labor and skilled workers so it requires a fee for offering the service. There are two types of alignment.
(or "edge spot alignment") is the alignment of any of the artwork elements on the face of a poker chip with any artwork or element on the rolling edge of the poker chip. See the figure below:
is the alignment of the two faces of the poker chip. The easiest way to imagine this is to picture a double headed coin or chip standing on edge on a table so the head on one side is upright. If you were able to see the other side of that coin it would also be upright. See the image below: