You can edit any content on the homepage for SCV and CLV with InContext Editing.
Turn on the Edit Mode, then hover your cursor over the content you want to edit, and click at the right corner. You will be directed to Sites Explorer with the document form for you to edit.
Make changes on the content, then clickor to accept your changes.
After closing the Edit form, the content is in the Document View.
Click to return to the site. In the Edit mode, your new content will be in the "Draft" state with its visible modifications.
Click to publish your edited content. Your content is now in the "Published" state.
You cannot see the edited content in the draft state when you turn off the Edit mode.