Portals on a wiki are like front pages, except that each one can be designed for a particular audience. So if you know your page is going to be read by programmers, no need to include content that would only interest artists - just create the Portal:Artists instead for them...
This category has the following 5 subcategories, out of 5 total.
Pages in category "NL:Portals"
The following 14 pages are in this category, out of 14 total.