Stations of the Cross (or Way of the Cross; in Latin, Via Crucis; also called the Via Dolorosa or Way of Sorrows, or simply, The Way) refers to the depiction of the final hours (or Passion) of Jesus, and the devotion commemorating the Passion. The tradition as chapel devotion began with St. Francis of Assisi and extended throughout the Roman Catholic Church in the medieval period. It is commonly observed in Lutheran churches, but it is less often observed in the Anglican churches. It may be done at any time, but is most commonly done during the Season of Lent, especially on Good Friday and on Friday evenings during Lent.
The Stations themselves are usually a series of 14 pictures or sculptures depicting the following scenes:
Jesus is condemned to death
Jesus is given his cross
Jesus falls the first time
Jesus meets His Mother
Simon of Cyrene carries the cross
Veronica wipes the face of Jesus
Jesus falls the second time
Jesus meets the daughters of Jerusalem
Jesus falls the third time
Jesus is stripped of His garments
Crucifixion: Jesus is nailed to the cross
Jesus dies on the cross
Jesus' body is removed from the cross (Deposition or Lamentation)
Jesus is laid in the tomb and covered in incense.
Although not traditionally part of the Stations, the Resurrection of Jesus is sometimes included as a fifteenth station.
I will not attempt to cover all of this, I shall pick and choose as I see fit.