Can I add a label on top of the name on invoices that says client name, for example?
Yes, with a custom theme, by inserting code for the desired, fixed text.
I thought the solution would be a custom theme. I can do that. But it will be really neat if the default theme had some labels like FROM / TO / CLIENT / VENDOR and so on.
More like the topic ‘can the said labels and variables be added in default theme as standard?’