Arch blisters are curious, in that the arch isn't a particularly weightbearing area of your foot. Learn how to prevent them, even if you wear orthotics.
Heel edge blisters occur around the heel’s rim. As your blister fills, pressure pushes the blister fluid upwards, to an area where there's less pressure. Read more here.
Rather than your toes hitting the end of your shoe, blisters on tips of toes have more to do with your toes bending over so the toe tip becomes weightbearing.
Curious why you've got a blister on one foot only, and not the other. It would actually be weird to get blisters symmetrically on both feet. Here's why.
In ultramarathon running, feet swell and toes can blister, badly. This article shows how cutting holes in running shoes can help you can stay in the race.