1. Zotero essentials

1.2. Navigating Zotero

The Zotero application is divided into three columns showing various levels of information.

    Left Column
The Left Column shows My Library and contains
     all the items in your library. 
Items within the library 
can be organized
collections and tags.

Middle Column
The Middle Column shows the items
              contained within the collection selected                               
from the left panel.

End Column
  The End Column shows the details of the item
selected in the middle panel.