For this idea, I will try to express only the need and leave the "how".
It often happens to me to arrive in front of a finely prepared board, with elements grouped, blocked, and well placed.
And here is the drama. A error. A typo.
It's always complicated to go and correct it.
I would like a simple way to access these texts to correct them without ungrouping everything to block, risk moving, correcting, ... and putting everything back in order.