What does Genesis 34:7 mean?

Meanwhile, Jacob’s sons came in from the fields. When they heard what happened, they were outraged and furious, because Shechem had done something disgraceful to Israel by violating their sister. That was something that just wasn’t done. Genesis 34:7 - Modern Text Bible

(Jacob’s sons are deeply angry and offended by Shechem’s actions, seeing it as a terrible violation of their family and their values.)