Why is it called my contact instead of People to Cover? and Why Trust is Separated?

Summary:

Before you Enroll in Classic UI: once open, there will be 'People to Cover' and 'Trust'.
After enabling Redwood under Quick Actions, the 'People to Cover' section will be replaced with 'My Contact' and Trust will be separated.

Question: Why is it change to My Contact?

Content (please ensure you mask any confidential information):

Classic:

Redwood:

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):