As a web developer with 25 years of experience and (I thought) up to the minute skills ... I have no idea what any of that means but it sounds cool and important and I want to try it.
It allows you to define a GUI / DOM specification, with transparently embedded serverside commands that do things like "query the database for the list of users who meet criteria X." No annotation or other special action required.
The runtime figures out an efficient and reactive way of parceling out work to the server as needed, and refreshing it only when necessary.
Hats off to the lispers, they do some cool stuff. I think treating code as data they just have a different view of what computation means to the rest of us (or to me at least!)
You don’t have to know everything you see. If you find it interesting then cool but don’t feel compelled to learn every web thing, it’s a never ending rabbit hole.
The runtime figures out an efficient and reactive way of parceling out work to the server as needed, and refreshing it only when necessary.