The content on each page on your website can be edited including the text, images, etc.
To update the content on a page on your website:
Classic Website Editor:
Click the Website tab at the top and go to Manage
Click Edit beside the page that you'd like to edit and go to the Content section
Update the text to whatever you'd like it to say
Once you are done, be sure to click Save
Website Builder:
Click the Website tab at the top and go to Builder
Click the Pages menu at the top and select the page that you'd like to edit
Update text in content blocks, add more content blocks, and add sections
Once you are done, be sure to click Save Draft or Publish