Matrix/table built with children of two pages

[charger]

Just very busy days, so I'm a bit slow in response. I'd love to get more explanation!

With low-level I meant deep inside the core system. High-level would be closer to the surface/front-end. Don't know if that's the right way to put it though 

[kongondo]

Ah, I understood it in the English sense - low-level means basic and high-level means advanced. So 'deep inside the core system' means high .

OK, I'll try get some time soon to expound on what I said in the post above yours

[kongondo]

@Charger,

Sorry I I didn't get back to you. I have now come up with something similar (following a request similar to yours) that could probably suit your needs? https://processwire.com/talk/topic/8581-module-matrix-fieldtype-inputfield/