1. B2B (Business-to-Business): Business to business Representative platforms: 1688, Alibaba International Station 2. B2C (Business-to-Customer): Business to individual Representative platforms: Tmall, JD.com, etc.

3. C2C (Customer to Customer): Individual to individual Representative platforms: Taobao, eBay

4. O2O (Online To Offline): Online to offline Representative platforms: Meituan, Ele.me

5. Traffic Traffic refers to the number of visits to a website, which is used to describe the number of users who visit a website/single product and the number of web pages browsed by users.

6. UV: (Unique Visitor) Independent Visitor In e-commerce, the number of users who visit a store within 1 day is counted (based on account ID); multiple visits with the same ID between 00:00-24:00 are only counted as 1 visitor.

7. PV: (Page View) Page Views, which is the page views or clicks, measures the number of web pages visited by e-commerce users. How many pages of your online store did a visitor view within 24 hours (0:00 to 24:00). It should be emphasized here: the same person browsing the same page of your website will not be counted repeatedly, and 100 clicks will also be counted as 1. PV means how many pages a visitor has opened.

8. GMV: (Gross Merchandise Volume) The total transaction amount (within a certain period of time) is the transaction amount of the website in the definition of e-commerce websites. This actually refers to the amount of the order, including the paid and unpaid parts. Generally, merchants can also exclude unpaid orders when calculating their GMV, and only calculate paid orders or final transaction orders.

9. SKU: (Stock Keeping Unit) Inventory Unit A SKU in e-commerce refers to a product. For example: if a product has multiple colors, it will have multiple SKUs. For example: if a piece of clothing has red, white, and blue colors, the SKU codes will also be different. If they are the same, there will be confusion and the wrong goods will be shipped.

10. SPU: (Standard Product Unit) Standard product unit is based on the fact that SPU is the smallest unit for the aggregation of product information. It is a set of reusable and easy-to-retrieve standardized information that describes the characteristics of a product. In the process of electronicization of product information, the characteristics of a product can be described by multiple "attribute|attribute value pairs".

11. Products with exactly the same "attribute|attribute value pairs" can be abstracted into one SPU. On the other hand, these "attribute|attribute value pairs" are solidified in the SPU and gradually standardized. For example: iPhone

12 It can be determined that a product is one SPU.