O essentials
Overview
Save_DB
Stop
Quit
Yes
No
Clear_flags
Clear_ID
Centre_ID
Wait_ID
Dial_next
Dial_last
Dial_box
$
Stereo
Symbols
Menu_control
Centre_atom
Centre_XYZ
Centre_zone
Centre_next
Centre_prev
Backup_DB
Rot_Tran_Obj
Rotate_picture
Screen_colour
Spin
Draw_object
O_setup
Spawn
Print
Message
Ring_bell
Terminal_ID
If_yes_no
Macros
Datablocks