Answer: Market-space
Step-by-step explanation:
The market-space is basically refers to the presence of the online business where the online retailers promote their business on the online portal platform.
The main aim of the market space is that the various types of products and the services are get exchange and also transaction taking place over the network.
This platform basically provide the opportunity to the shoppers for experiencing their goods and the services which is provided by the retailers online.
Therefore, Market-space is the correct answer.