Use Dynamics 365 Sales and marketing to obtain, store, and use various types of data in the sales flow, including the original sales initiative, future follow-up action, and additional sales. Marketing campaigns and activities of Dynamics 365 are used to find and build relationships with potential customers, so those initial interactions can develop into sales relationships, whereas sales functionality of Dynamics 365 can be used to create quotations, up-sell and cross-sell to new and existing customers, create sales orders, and create sales invoices for customers.