I’m not sure what you’re asking. I will tell you that custom taxonomies can be one of the most difficult things in WP for some. But if I understand, then yes. Each select field that you want to be able to list posts for would be a different custom taxonomy.
I guess it would depend on how many of these sorting/filtering fields you want to have for these posts. If you’re going to end up with a lot of them then you might want to look into a search plugin to add to your site. https://facetwp.com/ is a fairly good one and there are others if you look. It really depends on how complicated it will be and what you want for the end result.
