And don't forget authentication (such as IPSec with AH but no ESP), that really confuses people! :)
Where encoding gets fuzzy I think is proprietary license-encumbered encoding (AMBE comes to mind).  It is not designed to obscure the meaning of the message, but unless you pay a fee to the patent holder then you are not able to decode it (legally in the US anyway).

On Sat, Jul 27, 2019, at 16:28, John D. Hays wrote:
> It seems a lot of hams confuse encoding and encryption, lumping some
> encoding methods in with encryption.
>
> https://www.geeksforgeeks.org/encryption-encoding-hashing/
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