Why? If you're backend, show that things are working in the backend, not much different than frontend work. Or show your design work. Or video editing progress,

Why? If you're backend, show that things are working in the backend, not much different than frontend work. Or show your design work. Or video editing progress, or anything. If there is _no_ progress but in your head, at least what you can do is write it down. Then you end up with a document. Demo your document. And yeah, if it's missing the overall goal, then it's clear halfway through that we're missing the goal, so you can correct earlier.