What does Taobao online category mean?

It is one of the most important attributes of commodities. Click Publish Baby in the Seller Center, and the first step is to select the category of goods.

In the position of selecting categories, the leftmost category is the first category, from left to right is the second category, the third category and so on. And the rightmost category is also called "the last category".

The length of each category is different, some categories are final categories, some are five categories, six categories and so on.