Hello! Not sure if there’s a term for this kind of feature.
Ever since I started using Kinopio, I’ve been expecting to be able to highlight text and then type a character to add characters surrounding the selection. E.g. to add
**asterisks**. Sometimes I accidentally try to do this in Kinopio because that’s what I expect to be able to do when working with a lot of markdown, consistent with other programs. Anyway, it’s something I think would be pretty intuitive and convenient to eventually have!
Example of highlighting to format in Obsidian (markdown note-taking app):