Check the corresponding numbers in the screenshot:

1. Settings: This will open the main Settings for LiveDeskCal if you need to change a Sync option (Lite and Pro)
2. Add: This button let’s you quickly add a new event. You can also add events by clicking the Day Cell.
3. Search: Search for events by Subject or Notes.
4. Themes: This option will cycle between the 4 themes of LiveDeskCal, Light\Dark and Transparent\Solid options.
5. Hide Completed: This button Shows\Hides events that are marked Complete.
6. Lock: Enabling the Lock will prevent the Widget from being moved or any events from being added. Prevents accidental clicks!
7. Category Filter: This will let you Show or Hide events by their Categories. You can also add new Categories from this menu.
8. Today: Jumps you to the current Day\Month.
9. Show\Hide Holidays: LiveDeskCal has preset Holiday Calendars, this lets you show or hide them.
10. Print: Print your Calendar!
11. Alarms: Shows a list of upcoming events with alarms.
12. Restore Deleted: Recover Deleted records.
13. More Settings: Opens a menu with More Settings for LiveDeskCal (see below).

Check the corresponding Setting and discription:

1. Multi-Select for Linked Contacts: Allows you to add more than one linked contact to an event.
2. Custom Calendar Event Duration: Create a selectable Custom Duration for events.
3. Custom Calendar Event Duration #2: Create a second selectable Custom Duration for events.
4. Default Calendar Event Duration: Sets the Default Duration for all new events.
5. Day View Subject Format: Show Company Name or Linked contact in Event Subject.
6. Hour Format: 12 or 24 hour format.
7. Use Calendar Icons: Enable Emojis in Event Edit.
8. Use Calendar Icons for Call, Meet, Task: Show Icons instead of Type Text (Act! and Goldmine)
9. Emojis: Edit and customize your Emoji list.
10. Month View Category Color: Show Category Color on Background of events or as Text Color
11. Report Start Time: Start Time for Day View Print.
12. Report Duration: How many hours to show in Day View Print.
13. Default Call Duration: Set a default for Call type events (Act! and Goldmine).
14. First Day of Week: Set your first day of the Week.
15. Start of the Day: Set earliest time displayed in Day View.
16. Default Category: Set a default category for all new events.
17. Show Start time in Day View: Show the Start time on the event text.
18. Show Duration in Day View: Show the Duration of events in the event text.
19. Edit Screen Format: Classic or Modern Edit View.
20. Day View Interval: Set interval of Hours\Minutes on Day view.
21. Week View Interval: TBR
22. Minimum Event Display Size: Controls event size when event durations are small.
23. Activity Types: Add Event Types, Call, Meet, Todo (Act! and Goldmine).
24. Default Activity Type: When Types are enabled sets a default for all new events.
25. Calls Default as Free: Set Status of calls as “free” for availability purposes.
26. Default Time Zone: Sets default time zone of new events to the PC’s time zone. Allows for manual selection.
27. All Day Rows: How many rows to show for All Day Events.
28. Calendar Event Preview Hover Panel: Shows event details, when hovering over an Event.
29. Show Week Number: Enables week Numbers.
30. Show Start Time in Month View: Shows Event Start time in text.
31. Stack All Day Events Vertically: Cycles between horizontal and vertical all day events in day cells.
32. Show More by Default: Shows “More” in the edit panel by default.
33. Strikethrough Completed Events: Show Completed events with a Strikethrough.
34. Open View on Selection: Opens a View\Detail Panel instead of direct Edit when selecting events.
35. Require Double Click for Add: Requires a double click to Add new events. Can prevent accidental clicks.
36. Require Shift for Drag and Drop: To Drag and Drop Events, holding shift is required. Can prevent accidental moving of events.
37. Max Events per Day View: How many events can appear next to each other at the same time.
38. Holidays: Enable Holidays from a list of built in Holdays.
39. Purge Calendar: Delete all events or events before a selected date.
40. Rebuild Calendar: Clears the display cache. Can help with display issues.