user defined prioritisation attributes

I would like to add prioritisation attributes for product backlog items for use in filtering and ordering the product backlog and then planning sprints. The particular attributes I favour from long use are...

1. Product Priority (a product owner rating)
2. Architectural Priority (a structural or natural ordering priority)
3. Risk (representing uncertainty of satisfactory outcome)
4. Execution Priority (decided after consideration of product priority, architecture priority, risk  and expected cost (ie points))

I have used these for two decades in spreadsheet methods for managing agile time boxed work.