Cross-related regions and pages

Hi there!

I wonder if anyone could shed some light on how to solve a certain challenge using the Perch's logic:

We have a folder called Products that holds separated pages for each of the products. Products share one page template. On another page there are People ( managers ) listed as multi-region, that should have assigned a single product to them. Ideally, we would like to pick a product from the list ( data select ) when adding or editing each Person. When product is assigned to a person, the information should be displayed both at assigned product's page and People's page.

I am not sure if I have described the situation well but I guess this is a question regarding communicating, aggregating and transmiting data across the pages or templates.

Questions:

• How to aggregate a certain value from many pages to a single content region?

• How to read and respond to a region value from one page to another?

• Is it better to have dynamic pages ( one file for all the pages such as blog post ) or having physical file for each for our case

• When going down the dynamic pages solution, how to deal with page attributes such as meta tags?

Thanks a lot for any kind of help or direction, Damian