Item Category : An item category is used to define if an item is suitable for billing or pricing. It defines the additional info to make a sales / purchase document .
It helps to identify the particular item via using category.
For understand it :
Every organization / business firm merchandising around to any product. i.e. website/software for an IT company, tool parts for a car manufacturer company or fiber, fabric or dyes for any textile industry.
And these product can be divided in categories also. These categories called item category.
For ex :
If a Textile industry produce a product like 'Shirt'.
A shirt can be, categorized into multiple category according fashion style :
-- Casual, Formal etc.
Then it can be added in Item Category.
Click on Commerce > Item Category Menu :
You will get page :
You can 'Add Category' using add button. It can also be edit & delete.
Now you can feed the proper data & click to add to Save info:
You will get the record, i.e. :
After successfully addition of Item Category, Now you have to further move to 'Add New Item' .