Ask most teams where their organic search work goes and the answer is product pages and blog posts. Ask where the commercial demand actually sits and the answer is neither. It sits on the layer in between: the category, the collection, the department page.
This is not a subtle effect. A single product competes for the handful of people searching for that exact item. A category competes for everyone still deciding, which is almost everyone. And the page that serves them is usually the one nobody owns.
Why category pages carry the demand
What is missing from most category pages
Faceted navigation: which combinations deserve a page
Filters generate a near-infinite set of URLs, and the temptation is to solve this by indexing none of them. That throws away the most commercially valuable pages you have. The workable rule is that a facet combination earns a page when it has demand, inventory and something to say.
Internal linking is the half nobody does