The function of some controls may confuse at first time. To handle this, there is available a feature so-called Context help. It can be turned on in any program window by pressing F1 key.
What this feature does. Each control that has additional details becomes marked with an icon at right top corner:
At click on it appears tip with detailed description of the control. That description is being loaded from the site so you will always have latest information regardless of which version of software you are using.
Here is an example. Let's assume you are confused with option Get the clip name before adding from Add URL... window. Press F1 in this window and click on appropriate quote icon:
The tip with additional info will appear right within the program:
Help Usage Context help