Sitecore commerce team has rebuilt the Orders and Marketing engines, using Microsoft’s new .Net Core technology, to manage the Product Catalog first we have to define the schema in Commerce Server Catalog and inventory schema manage.
We can configure Category Definition, Product Definition and Property Definition.
Steps to setup a new property -
Step 1 - You can choose a few existing property type.
Step 2 - Add a new property and provide the required field.
Property has been created.
Step 3 - Add the display name in multiple languages.
Step 3 - Configure the product definition
Step 4 - Configure the category definition and metadata.
these are the high level steps to configure the Sitecore commerce catalog metadata, Please feel free to ask if you have any questions.