>> If you have suggestions on how to name our products better, I'm all ears

<version>-<size>

Where <version>: 6.0, 6.1, etc., and <size>: xs | sm | md | lg

E.g. 6.1 Terra = 6.1-sm

If you eventually make specializations like "math" and "jokes" then I would call it something like 6.1-jokes-sm.