Lightning Experience is a modern user interface, we can make it even better by our ideas on IdeaExchange.

In Salesforce Classic, when we view Custom Objects, we can see Master Object Column which is really helpful to understand object relationship quickly.

It would be great if this feature present in Lightning Experience. What do you think guys?

Let's upvote this idea:

https://success.salesforce.com/ideaView?id=0873A0000015B0jQAE