Combine/concatenate values of multiple fields into one with additional formatting in modern drupal 8 9 10

As i wrote in response to this question Combining fields in Drupal 8 |

Field Token Value creates a field type with a widget that allows defining the value containing tokens (which can be the values of other fields), with a simple field formatter to output the results of these tokens.

Credit to for the link.

Side tip on using tokens, you can get one free choice of formatting for each token per content type by configuring the “Token” display mode.