Okay kiddo, so there are some people called Pakistani Jews who live in a country called Israel. Pakistan and Israel are far away from each other and they have different cultures and languages.
A long time ago, a group of Jewish people who lived in Pakistan decided to move to Israel because they believed it was their holy land. Israel is a country where a lot of Jewish people live, and it was created so that Jewish people have a place to call their own.
So when the Pakistani Jews moved to Israel, they became part of the Israeli community. They still have their own traditions and language, but they also learn Hebrew which is a language spoken in Israel. They can also practice their religion freely in Israel, just like any other person who practices their religion.
So that's basically it! Pakistani Jews are Jewish people who live in Israel because they believe it is their home, and they can practice their religion there just like anyone else.