Thank you for the explanation. Much appreciated. All the terms you mentioned I am now familiar with, except rebuildables.
Rebuidables are a topper that is made to be wicked and coiled by you. Some come with a pre made wick and coil installed, but many times they aren't much good. Google something like the kayfun, AGA, Igo, for some examples. Or check out this link. Rebuildable Atomizer Systems