Topmost: clocks are on top of other windows
Margin: the distance between clocks within the main window (not available for undocked clocks)
Padding: the distance between the clock and its border
Transparency: the clocks can be made semi-transparent from 0..90% with the slider
- Opaque on Mouse Over: when the mouse hovers over the clocks, they become opaque
Theme: sets the color scheme (dark / light theme) for the program interface
Shading: the level of darkness to overlay the clock controls...
- while "Out of Office" (this time span can be adjusted in the "City" dialog of each clock separately - default is 9 AM to 5 PM
- during "Night Time" (after sunset and before sunrise in the selected city)
Shade Undocked Clocks: is the shading supposed to affect undocked (single) clocks or not
Menu Button: shows the menu button on mouse-hovering (if unchecked, you can use the context menu on right-click)
Info Popup: shows an info popup window for each clock on mouse-over
Stick To Border: magnetic effect - stick windows to screen border (clocks and calendar)
Sweep Second: the second hand on analog clocks will move gradually, not just once a second (consumes slightly more processor resources)
Columns/Rows: the slider on the bottom of the dialog controls the arrangement of the clocks within the main window (columns and rows depend on each other and the number of clocks) - not available in the dialog if the calling clock is undocked

For more help and tutorials go to www.sharpworldclock.com