Duration

The available units for input are: year, month, week, day, hour, and minute, and they can be used in combination.

• Edit year, month, week, day, hour, minute, second: allows entry of all these elements

• Year, month, week, day, hour, minute, second optional: if checked, entering these elements is not mandatory

• Ordering: not applicable

• Multiple entries: allows multiple entries of the observation via an “Add” button