You can turn off the predictive text feature in Gmail, known as Smart Compose, if you don't want suggested text to appear as ...

Illustrator allows you to write on the path of your artwork like shapes that you create. You may have an image that you saved in any of the file formats, and you want to write around it. This may ...

While you can't italicize text when sending messages on an iPhone, you can italicize on an iPhone in Mail, Notes, and Pages.