Okay kiddo, let me explain what a bar lev line is. It's an imaginary line that separates two areas of land. This line is usually drawn on a map and it divides one part of a country from another. The word "bar" means "outside" and "lev" means "heart" in Hebrew. So, the bar lev line is a line that separates two parts of the country, with one outside the heart of Israel and the other inside.
The bar lev line was first established in 1949 after a war between Israel and its neighbors. At that time, Israel had gained control of some land that was previously owned by Arabs. The bar lev line separated this land from the rest of Israel.
Now, the bar lev line is a symbol of the Israeli-Palestinian conflict. Palestine claims part of the land on one side of the bar lev line, while Israel claims it as its own. This dispute has caused a lot of tension and violence between the two sides.
So, in summary, the bar lev line is an imaginary line that separates two areas of land, one inside and one outside the heart of Israel. It's a symbol of the Israeli-Palestinian conflict and has caused a lot of tension between the two sides.