This shows the panel in place on the boat. Below is an image of the panel before production.
The right hand column is for the AC circuits and the middle two columns are for the DC circuits
It looks like he did some rearranging afterwards and moved the mount for the Blue Sea digital meter to the bottom.
The back hasn't been wired in the final photo below, but you can see the backing boxes are on the AC modules. All AC modules are shipped with AC backing boxes to comply with ABYC standards.