Is it possible to change the name of the main field?

[Filip]

System relations can’t be changed (including their names), but we plan on adding localization for those in the future.

Regarding the other question, it’s not possible at the moment, but you might be interested in this FR:

Build title from relations

WHAT DO YOU RECOMMEND Allow types to have dynamic titles depending on their relations. HOW COULD IT BE DONE Add an option in the type library for each type for their title to be built from relations if you wish. REAL WORLD USE CASES Plenty of examples. One are books. The syntax could go something like this: Relations Title - Harry Potter and the Goblet of Fire Author - J. K. Rowling Syntax [title] by [author] Rendered Harry Potter and the Goblet of Fire by J. K. Rowling You could add p…