Reasons for Writing - Imam Maqqari

Imam Maqqari (Allah have mercy on him) said,
“I saw in the handwriting of some of the senior (scholars) regarding that which is desired from writing are seven:
-something which has not been written before and is authored
-something written incompletely and is completed
-or is incorrect and is corrected
-or is difficult and is explained
-or is lengthy and is [...]