WoodMart theme has expanded Product categories presentation. Product categories menu can be presented in the shop page title, in the search form, Browse categories (in header builder and by means of Mega menu element).
Product Categories menu in the Shop page title:
There is an option to show the Product categories in the shop page heading which is configured in the Theme Settings > Product Archive > Page title. Demo: https://woodmart.xtemos.com/shop/
Option “Categories in page title” will show the Product categories menu generated automatically based on all categories existing in the shop. There is the option to hide empty categories and, the option to select the categories to show is provided.
By default, sub-categories will be displayed as the drop-down list: