The quality of being obvious or easily seen or understood.
Overtnesses can be good because it means things are clear, or it can be bad because it means things are too obvious.
Examples:
The overtnesses of his feelings were clear to everyone.
The overtnesses of her actions made her intentions obvious.
I appreciate the overtnesses of your communication.
The overtnesses of his lies were so obvious, it was funny.
The overtnesses of her excitement were so big, it was like a big, bright light.
The overtnesses of the problem were so clear, it was like a big sign saying 'problem here!'.