The word 'Writable' is the Sibling of the word Syllable
A Syllable is a
single unit of
Pronounciation we make while speaking a word
Similarly, A Writable is a
single unit of Stroke we make with our Pen/Pencil in a character while we Handwrite Something.
A Single Writable is defined as the amount of Stroke we make with our Pen/Pencil without lifting the Pen/Pencil off the Writing Surface
Writables can differ drastically between characters based on the way we write those characters.