It may be a dilemma to beginners but yet tag div visual composer is a great addition to wordpress newspaper 10 theme.
Here is how you can edit a text block (title with text) element…

1. Go to your desired page and click Edit with td composer

2. After loading composer screen click on your desired text block

3 from the left composer panel Click Edit Content

4. and voila! Here is the Classic Editor for you to edit content. 

You can edit these content as like as you were using classic editor. it has both visual and text mode.

Thanks to Team Tag Div for delivering us with this great theme and composer. and people please buy the theme and support them.