As you have discovered throughout this book, Lightning Platform provides many rich user experiences for Standard and Custom Objects, which are managed by the platform. When you create a Custom Object, you automatically get the ability through the various Lightning UI containers to access the record data without having to build a new UI each time. Through the standard Salesforce APIs, you also get API access to your Custom Objects.
With External Objects, you can get a subset of these features for data stored off-platform as well. Furthermore, the data can also be edited through the Lightning UIs and APIs, allowing users to stay within the same Lightning platform, thereby avoiding them ...
