To me christians definition is correct. I think he is saying newman dont have a range of cams prebuilt ready to buy of the shelf, they have only the one which they have based on a certain criteria of engine, perhaps theyre equivalent of a kent cam or piper one.

Karl and Alan are going to design a cam based on each persons individual setup and the criteria for drivability the customer wants. So this may be an xyz duration cam etc.. for a car with a t34 turbo running xyz compression with xyz spec head which could be very different from the next car that comes in. So they work out the design send it to be ground into spec they briefed or carry out this themselves if they have the equipment to do so. Hence a custom cam being produced for every engine and not a mass produced one such as the piper 285t.