Are brand and store separate entities in OFF DB scheme?

Many times I found a brand website on product packaging and would want to add it to according brand instead of adding it to my product, because it is more logical, but I haven’t found any way to do that in OFF mobile app or on the website.

So I have a new question. Do brands and stores have separate entities in your DB or when I check and get product list from some brand or store, in fact, it is just all products that have “brand = [some name]” set on the product level? If so, then what are the reasons, they don’t have it?

It would be useful for storing all other information about brands and stores as alternative/translated names, jurisdiction (to differentiate brands with same name, but registered and working in different countries), phone numbers for consumers in different countries, websites etc. It is all useful information for consumers.