How to implement tags like on Ozon in Bitrix IM?

Question

1C-Bitrix

Good afternoon!
In the video part of the question https://www.youtube.com/watch?v=hVHNogrPggg
The ozon itself https://www.ozon.ru/category/konditsionery-i-split...
Among other things, it is necessary that these tags can be to register for each section of the infoblock, i.e. this should be done by a regular site admin.
If everything is clear in principle with tags - links to subsections (I think to display them through getlist), then what about tags that manipulate smart filter and sorting? I suppose that I need to create a product property called "Tags", make it multiple, type "List" or generally select values ​​from the highload block ...
Among other things, there is another question with urls, in ozone, the domain name itself comes first, after the word category, and after it the name of the section, it changes constantly regardless of the depth of the directory structure, for example:
https://www.ozon.ru /category/posuda-dlya-prigotovl...
https://www.ozon.ru/category/nabory-posudy-dlya-go...
https://www.ozon.ru/category/invertornye-konditsio..
Maybe someone already solved a similar problem ? Share your thoughts please :-)