Categories on wiki can also work as tags.
To find - let's say - the 1960 film The Time Machine on ATT without using the search bar, go to the category page "Film". It'll show sub-categories like "Films of the 1960s" (in "Films by decade"), "Science Fiction Films" (in "Film Genres") and "Films Based on Novels" (in "Films Based on Works").
To find - let's say - the 1960 film The Time Machine on ATT without using the search bar, go to the category page "Film". It'll show sub-categories like "Films of the 1960s" (in "Films by decade"), "Science Fiction Films" (in "Film Genres") and "Films Based on Novels" (in "Films Based on Works").