Understand 'Jewish' refers to a culture and religion; use respectfully to avoid offense. Her Jewish customs are important to her identity.
Pro Tip 2/3
Judaism Aspects
Know that 'Jewish' can refer to cultural, religious, or ethnic aspects of the Jewish people. Jewish holidays are celebrated in both religious and cultural manners.
Pro Tip 3/3
Variation in Practice
Recognize that Jewish practices and beliefs vary widely among individuals. Although he comes from a Jewish background, he is secular in his practices.