At odds and split asunder: meaning

Asunder is an adverb that means “into separate pieces.” So if you've torn your ex's love letter asunder, you've forcefully ripped it into separate pieces — and rightly so.Asunder comes from the Old English phrase on sundran, which means “into separate places.”

Sometimes when you read things in your head, you skip overall small details/words. when you read aloud, you hear those words and it’s easier to comprehend what you just read. saying things aloud also you remember them.