What is a metapage?
A metapage is a webpage that consists of embedded and connected webpages.
An example metapage showing two metaframes passing characters back and forth:
Why would you want to do this?
A website can crunch data, show interactive plots and graphics, allow sophisticated user interaction. In other words, all manner of useful things.
When you have somethine like a website that is specialized and does something well, eventually people want to combine useful pieces into a bigger whole.
These are metapages.
How do I create a metapage?
See the docs for more detailed documentation.