> But can you make parent-child communication with these mini TEA components like in React or Vue? It seems to me that we can't.

I think parent-child communication isn't necessarily the right way to tackle problems.

Otherwise, I'll link to the oft-linked "Child-Parent Communication in Elm: OutMsg vs Translator vs NoMap Patterns" [1].

[1] https://medium.com/@_rchaves_/child-parent-communication-in-...