Study-board Canvas Tools

Can you explain the right tool bar of the study-board canvas?
Right tool bar of study-board canvas are shown below.
Tue, 24 Feb, 2015 at 6:27 PM
Can you explain the left tool bar of the study-board canvas?
Left tool bar of study-board canvas are shown below
Tue, 24 Feb, 2015 at 6:27 PM
Can you explain the top tool bar of the study-board canvas?
Right tool bar of study-board canvas are shown below.
Tue, 24 Feb, 2015 at 6:28 PM