B2C Marketplace Development
This is an ecommerce website development, where the products are for end users, and are directly sold from your end to your customers, this comprise a majority of share in the market.
B2B Marketplace Development
This is an ecommerce website development where you have clients who come from a business, and orders can be in bulk or even single, so functions like specific pricing for specific clients on a product, bulk pricing for products and functions like this is required by these kind of businesses, website development for wholesale business is what people call it.
Multivendor Website development
This is an ecommerce website which is where you give an opportunity to several businesses to list their products on an ecommerce website, and end users can buy products from different suppliers, this is like having an Amazon, Soug or Ebay like website development
Choose what your approach for ecommerce store is and plan the launch accordingly.