Answer:
(So there is no specific passage on where I'm supposed too get an analogy from so I'll tell you the meaning of a part to whole analogy)
A part to whole analogy is a comparison between a part and a whole of one thing and how it is similar to a part and a whole of another thing. For example, when comparing one part of an item, such as a paw being part of a dog. You could make a similar comparison that a claw belongs to a bird.