|You can edit the left box under the menu / navigation. You may want to see some contents under your navigation. For this you should edit 'Text below the content' box. After editing, it seems under menu.
Steps: Edit Design > Extended Settings > Save
Note: You can not add anything under navigation in the ICEBLUE layout. But there is a solution! You can add just with CSS code. Click here for seeing how to add contents with CSS code under the nav. in the Iceblue layout.