If you are unsure about what a certain menu item is in the Top menu or the function of a specific preference in the Preferences panel, use the Integrated Help.
If you keep the Integrated Help window open for the entire duration of your work session, then you can use the forward and backward arrows to scroll through a history of the help information that you called up during your session.
 How to use the Integrated Help with Menu Items
How to use the Integrated Help with Menu Items
                                                            - In the top menu, go to Help > Show What's This or press F1 on Windows/Linux or ⌘ + / on macOS.
- In the top menu, click on a menu heading to display its contents.
- Use your mouse to hover over a menu item.
- Press F1 on Windows/Linux or ⌘ + / on macOS.
The Integrated Help window appears.
                                                                         
                                                                    
                                                                         
                                                                    
In the Integrated Help window, a description of the menu item appears.
                                                                         
                                                                    
 How to use the Integrated Help with Preferences
How to use the Integrated Help with Preferences
                                                            - In the top menu, go to Help > Show What's This or press F1 on Windows/Linux or ⌘ + / on macOS.
- In the top menu, go to Edit > Preferences (Windows/Linux) or Harmony > Preferences (macOS).
- In the Preferences window, use your mouse to hover over a preference.
- Press F1 on Windows/Linux or ⌘ + / on macOS.
The Integrated Help window appears.
                                                                         
                                                                    
The Preferences window appears.
                                                                         
                                                                    
In the Integrated Help window, a description of the preference appears.
                                                                         
                                                                    
 How to scroll through the bank of searched items
How to scroll through the bank of searched items
                                                            - In the Integrated Help window, click on the forward or backward arrow buttons.