I break down my cranks by depth first. Wake baits, shallow and deep runners, lastly, lipless. Each catagory has it's own box and in each box I separate square bills, coffin bills, body shape, etc. I have similar boxes for 'silent' cranks (no rattles), although there isn't as much variety in styles and shapes. Colors aren't considered in my system, as far as having different boxes for different colors as the majority of my baits are either shad or crawfish variations.
If you're inquiring about what style, depth or color to use in a given situation you can do a search and find almost endless examples and personal preferences from this site alone.