In the verse "And Allah will not speak to them on the Day of Resurrection, nor will He purify them" (Qur'an…

Answer

In the name of Allah, it refers to the forgiveness of sins and the cleansing of souls from their effects. It has been narrated that Allah, after commanding the people of Paradise to enter it, will instruct them to bathe in prepared basins. They will do so, and this will remove their fatigue and any remaining traces of worldly trials or forgiven mistakes that had left an impact on their bodies. Allah is the Guide and the All-Knowing.