What did God communicate to Jacob through the dream about the ladder to heaven?

Jacob is one of the Biblical characters of the Old Testament. He is also referred to as Israel - God's contender. He was the son of Isaac and Rebekah. While still in his mother's womb, he fought with his brother Esau. The brothers were to be the beginning of two separate nations. The book of Genesis, in which the history of Jacob is described, mentions the so-called Jacob's Ladder, which dreamt...