Adding a product
Before adding your first product, let’s get familiar with how product categories, tags, and attributes work.

Product Categories
Product categories and tags work in much the same way as normal categories and tags you have when writing posts in WordPress. They can be created, edited, and selected at any time. This can be done when you first create a product or come back and edit it or the category/tag specifically.


Attributes
These can be added per product, or you can set up global attributes for the entire store to use (e.g., in layered navigation).

Product Types
With attributes and categories set up and stock management configured, we can begin adding products. When adding a product, the first thing to decide is what type of product it is.

READ THE FULL ARTICLE HERE:
http://www.buildyoureconomy.info/2019/02/17/adding-and-managing-products-to-your-woo-commerce/