How to set the form of address and salutation
You can use OCL expressions to create the form of address and salutation for addresses (enclosed with %).
In the Form of address and Salutation fields on the address, you will notice a button with three dots. Click on this to open the editor, where you can enter the required form of address and salutation:

Another option is to work with fixed texts. The address text then appears in green font:

For each type of address (simple address, person, account, contact, couple), a default layout template can be created, which also contains the Form of address and Salutation fields. These are then applied for each new address.