Check the instructions below for how to change the Contact page elements: title, short text and content.
To begin, navigate to the Toolbar > Edit with Elementor > Single Page template (the name may vary):
The template contains elements that are dynamic tags (https://developers.elementor.com/docs/dynamic-tags/), so they pull the individual content of each page. You must edit them in the page, not in the template!
Editing the template will affect all the connected pages - you can check which are they in the template's display conditions https://elementor.com/help/conditions/:
Check the dynamic tags below:
Next, click on the "Edit Page" link of Contact page:
Edit the Title, Custom Fields and Excerpt:
Troubleshooting
In you don't see the page's Custom Fields, click on Preferences > Panels > Additional > turn on the "Custom Fields" toggle:
Click on "Edit with Elementor" to customize the page's content.
Edit the page's content easily, by locating each Elementor widget in the Navigator (The "Structure" section on the right)
Please check these guides for further information:
https://elementor.com/help/elementors-theme-builder/