What are the most important difference points between the global and domestic marketing?

For the global you have to choose more generic marketing modules to maximize the chance of delivery for multi societies , as for the domestic you could be more specific and selective as understanding the market requirements and needs would be much easier in this case.

As far as International Marketing is concerned, the main point of  difference is the Taste and Culture Mix that varies from countries. The key role of a global marketing manager should be to understand the market trend and taste of the particular geography he/she is going to pitch the product/service.

 

The apt example for this is The Mc Maharaja Burger from McDonald which is ONLY available in India. Maharaja means "King" in Hindi and to give a local attachment, McDonalds has introduced this item in their Indian Menu