The Zotero window has three columns, which orgainize contents from most general to most specific.

• Within the left pane, you can create and organize your folders (collections or libraries)
• Within the middle pane, there are items you collected.
• Within the right pane, there are contents of the item you selected in the middle pane.

On top of the left pane, there are icons:

• adds New Collection
• toggles between Show/Hide Tag selector
• is the Actions icon which allows to import/export collections, view preferences etc.

On top of the middle pane, there are icons:

• adds New Item
• creates New Item from the Current Page
• saves Link to Current Page
• takes Snapshot of Current Page
• inserts New Standalone Note
• provides Advanced Search
• The search box provides search facilities

On top of the right pane, there are icons:

• closes Zotero.
• toggles between full screen and half screen modes