Physics education research, electronic materials, and the musings of Christopher Moore, Ph.D.

what is the difference of a system of reference and a frame of reference? the question is Give me an example from you personal life of 5 different system of reference you used to identify or describe motions. Name and briefly describe the system, and explain what you observed from that system of reference.

I am trying to find out the difference between a system of reference and a frame of reference. can someone help thanks