A Twiki template has already filled out the necessary wiring, so you can just hit "save", and a new attribute- or valuepage is created that behaves as described in BrowsingTheOntology. But note that this is a real wiki page, so you can add
for Attributes: Guidelines on what to use as values
for Values: Guidelines on when to use this as a tag
Direct links to the main documentation page, some more Tag Aggregation, ...
In this example, we add a link to the wikipedia entry to the keyword "loadbalancing". After that, hit save, et voila:
back to BrowsingTheOntology - up to GuidedTour - forward to FiltersAndSearches