your encoder okay let's go the top path first you see the bottom path has the same encoder but the parameters are different and this is going to be one of the crucial elements right here so this here are your actual parameters that you learn and this here are what are called the target parameters now after each and you can see this for all of these components right here so what happens is that the target parameters are basically a copy of these what's what are called the online parameters okay so after each step you copy over from the online