Is there a name for text that's attributed to a character but without a speech bubble/thought bubble/pointer line/other indicator?


Example:

[![Example](https://i.stack.imgur.com/NQGzp.png)](https://i.stack.imgur.com/NQGzp.png)

I get that they're asides, thoughts, implications, feelings, etc., but what is
the actual visual device/convention called?

