Omni-Channel is an approach used to communicate with customers using a variety of channels. This can include social (Facebook, Instagram, Twitter), Traditional (email and text messages), or digital (chatbots, embedded forms). This will allow you to be where your customers are and increase customer loyalty.
To learn more about the difference between Omni-Channel check out this blog post.
Customer Engagement is how customers interact with a brand, either virtually or in person.
Digital Transformation is the impact of digital technology across all aspects of a business and how technology is changing the business.