Uses moment.js to give a Duration in a Human readable format.
Where a moment is defined as a single point in time, a duration is defined as a length of time.

Say you have the time in Seconds and I want it to become "30 minutes" or "3 days" - something that makes sense to Humans rather than 316909 seconds.

Explained here https://momentjs.com/docs/#/durations/humanize/