The five Ws

The Five W’s, Five Ws and How, 5W1H, or Six Ws are questions whose answers are considered basic in information gathering or problem solving.
Source: https://en.wikipedia.org/wiki/Five_Ws

Quis, quid, quando, ubi, cur, quem ad modum, quibus adminiculis.
(Who, what, when, where, why, in what way, by what means)

The tale of “The Elephant’s Child”
I keep six honest serving-men
(They taught me all I knew);
Their names are What and Why and When
And How and Where and Who.