The term "afterlife" refers to the concept of existence following physical death. Different cultures and religions have various beliefs about what happens after death, ranging from reincarnation to eternal life in a spiritual realm. The idea often provides comfort to those grieving, suggesting that life continues in some form beyond the grave. Many religions, such as Christianity, Islam, and Hinduism, have specific teachings about the afterlife. For instance, Christianity teaches about heaven and hell, while Hinduism believes in the cycle of birth, death, and rebirth, known as samsara. These beliefs shape how individuals view life and death.