#ScribesAndMakers What makes for good alt text?

I'm seeing a lot of conflicting opinions today, so I'll give mine based upon my alt text needs. I'm sighted, but just barely. I don't always get subtle nuance, and some memes confuse me.

So for me: describe the picture. If there is text, copy it verbatim, but don't *just* copy the text if context is needed or there is also a graphic. If there is an implied joke, explain it. Below, in the alt text, I'll give a couple examples of what I prefer: