Initiative vs Epic vs Story vs Tasks vs Acceptance Criteria

Initiative (1- 3 months)

For <customers>
Who <do something>
The <solution>
Is a <something - the how>
That <provides this value>
Unlike <competitor / current solution / non-existing solution>
Our Solution <does something better - the why>

Epic (1 - 5 weeks)

As a <person>
I want <goal>
So that <reason>

Story ( 1 - 8 days)

As a <person>
I want <goal>
So that <reason>

Tasks (1 - 8 hours)

N/A


Acceptance Criteria 

Given <pre condition>
When <trigger>
Then <outcome>