Toolbar elements

 
Icon Explanation
File > Open file.
File > Load from PDB
File > Save structure
File > Close all entries
View > Structure display
View > Structure rendering
View > Color
View > Atom labels
View > Center view on atom
View > Set separate motion of a part of the display
View > Reset to common motion of the entire display
View > Undo previous action
Geometry > Measure distance
Geometry > Measure bond angle
Geometry > Measure dihedral angle
View > Set depth perception
Components > Preferences

More information on File options can be found here. Information on View options can be found here.