Image: "The Forerunners of Christ with Saints and Martyrs", about 1423-24, by Fra Angelico (born Guido di Pietro; c. 1395 – 1455), an Early Italian Renaissance painter. National Gallery, London. Source: By Sampo Torgo at en.wikipedia [Public domain], from Wikimedia Commons
On All Saints' Day people visit the church to give a prayer for the deceased ones. They go to the burial places of relatives to devote some time to their commemoration. They bring candles and flowers to the graves. This day if for respect, quiet and reflection in the Catholic European traditions.
In Poland the streets are filled with silent solemn crowds, and after the sunset the cemeteries become illuminated by thousands of candles in the memory of all deceased.
Video: All Saints in Lowicz (Poland)
In English-speaking countries is performed the traditional hymn "For All the Saints", by William Walsham How.
At Lemuria festival, one of the ancestors of the modern All Saints’ Day, there was a ritual protecting from the evil spirits - to throw black beans over the shoulder, walking barefoot. The master of the house would get up at midnight and perform this ritual.
In many countries traditional bread or cakes are baked for All Saints’ and All Souls’.