Death sentence also known as Capital Punishment, it’s an execution of a criminal sentence to death after receiving conviction by the law court for a criminal or other critical offence.
Capital punishment is only reversed and converted into life time imprisonment in few cases it is totally dependent upon the allegations and judiciary un the light of law. In previous centuries and ancient history capital punishment is awarded in multiple ways.
Where as, in 20th century capital punishment only includes hanged or hanged till death. Each country has their own constitutional laws which are followed by the judiciary while writing the verdicts of the criminals.