Both 360 lace frontal wig and full lace wig are the complete unit of lace wig. But full lace wig has much more lace than 360 lace frontal wig. 360 lace is around from the forehead to the back of the head, but except the middle head. Full lace are around the whole head also include the middle head.
You can check picture below, the first one is full lace and the second one is 360 lace.
360 wig is used pre plucked 360 frontal with bundles to sew in a whole wig. The lace is around from the forehead to the back of the head, but not include the middle head. When you put upward the hair, you can see a little track, which doesn't effect usage. When we install the hair, we will put down the hair then we can't see the tracks. It can be put in bun and ponytail, that's why it is called breathable and pre plucked.
Full lace wig is full lace all around the head.It can't see the tracks, but also can be put in bun and ponytail.