1. You can have these items on the left menu:
- Your feed
- All topics
- All Groups
2. Hand picked topics: You can also add some featured topics to the left menu as explained here: https://community.tribe.so/question/5cd31d4a2014660640dd2d4c147
3. My Groups: If you are a member of any group in your community, you will see the list of those groups on the left menu.
Therefore, the only item that you can add is the featured topics that has been explained in the link above.
If you want to hide any of these sections, you can do it using CSS code. How? All the CSS related questions are answered in our support community, under the CSS topic page: https://community.tribe.so/topic/css148