Generally, I agree. I think what I meant by the above is “how would you tell someone how to use the thing”. My favourite example is email vs email-with-PGP.

How do you send an email?

1. Open client
2. Click "send new email"
3. Type your email
4. Click send

How do you send a PGP-encrypted email

Let’s first talk about this thing called a “keyserver”. Once you know what that is, you’ll have to go out and find some keys to add to it. We’re not going to talk about styling your message 'cause that’s not something you should be able to do… etc. etc.