The debugging building blocks are used to add debugging information to cases and draw meta-data shapes during case runs. This can help in the construction and maintenance of particularly complex cases.
The Comment block is used to add internal comments to a case.
The Log message and Log screenshot blocks are used to write messages and screenshots to the case run log.
The Stopwatch block is used to measure elapsed time between different parts of an automation case, for example to time how long an application or business transaction takes to complete.