Holy Week Customs-Good Friday

Because Christ spent 40 hours in His tomb (from 3 PM Good Friday until 7 AM Pascha morning -- a span covering 3 separate Jewish days as even a part of one day is counted as "a day"), from the very earliest Christian times, it's been customary for some to fast and keep vigil during this entire period, which is known as "40 Hours' Devotion" (Quarant'ore).

Processions, and Passion Plays and other dramatizations of our Lord's sufferings are customary on this day in some places. The most famous of Passion Plays is the one that takes place at Oberammergau, Germany, in the Bavarian Alps once each decade. In 1632, the plague even penetrated the remote mountain valleys of those mountains, and although the villagers kept guard to prevent the plague reaching the village, a man from Oberammergau working as a farm labourer in a village a few miles away carried the disease home. Within a year, the Black Death had claimed over a fifth of the approximately 1,500 inhabitants of Oberammergau. Suffering badly and seeing no end to the plague in sight, the village elders gathered in their parish church on October 27, 1633 and vowed to perform Passion plays depicting the passion of Christ every ten years if God would only show mercy and release their village from the clutches of the plague.

After they kept their part of the vow in 1634 (at Pentecost) by performing the play for the first time, no villager died of the plague -- and every ten years since then, the people of Oberammergau stage the most celebrated Passion Play of all time. The city of Spearfish, South Dakota in the United States also puts on a large Passion Play -- the "Black Hills Passion Play" -- each year, and has so since 1938 after it was instituted by a German immigrant. Iztapalapa, a district of Mexico City, has a very large, very communal reenactment of Christ's Passion each year, too.
As to symbols, there is a beautiful one recounted in this tale to tell your children -- the legend of the dogwood tree: It is said at the time of the Crucifixion, the dogwood was comparable in size to the oak tree and other monarchs of the forest. Because of its firmness and strength it was selected as the timber for the Cross, but to be put to such a cruel use greatly distressed the tree. Sensing this, the crucified Jesus in His gentle pity for the sorrow and suffering of all said to it: "Because of your sorrow and pity for My sufferings, never again will the dogwood tree grow large enough to be used as a gibbet. Henceforth it will be slender, bent and twisted and its blossoms will be in the form of a cross -- two long and two short petals. In the center of the outer edge of each petal there will be nail prints -- brown with rust and stained with red -- and in the center of the flower will be a crown of thorns, and all who see this will remember."
From Fish Eaters

Good Friday- Stationed at Holy Cross in Jerusalem

A Poem on the Passion of the Lord
By Lactantius, 4th c.

Whoever you are who approach, and are entering the precincts of the middle of the temple, stop a little and look upon me, who, though innocent, suffered for your crime; lay me up in your mind, keep me in your breast. I am He who, pitying the bitter misfortunes of men, came hither as a messenger of offered peace, and as a full atonement for the fault of men. Here the brightest light from above is restored to the earth; here is the merciful image of safety; here I am a rest to you, the right way, the true redemption, the banner of God, and a memorable sign of fate. It was on account of you and your life that I entered the Virgin's womb, was made man, and suffered a dreadful death; nor did I find rest anywhere in the regions of the earth, but everywhere threats, everywhere labours.
First of all a wretched dwelling in the land of Judged was a shelter for me at my birth, and for my mother with me: here first, amidst the outstretched sluggish cattle, dry grass gave me a bed in a narrow stall. I passed my earliest years in the Pharian regions, being an exile in the reign of Herod; and after my return to Judaea I spent the rest of my years, always engaged in fastings, and the extremity of poverty itself, and the lowest circumstances; always by healthful admonitions applying the minds of men to the pursuit of genial uprightness, uniting with wholesome teaching many evident miracles: on which account impious Jerusalem, harassed by the raging cares of envy and cruel hatred, and blinded by madness, dared to seek for me, though innocent, by deadly punishment, a cruel death on the dreadful Cross.
And if you yourself wish to discriminate these things more fully, and if it delights you to go through all my groans, and to experience griefs with me, put together the designs and plots, and the impious price of my innocent Blood; and the pretended kisses of a disciple, and the insults and strivings of the cruel multitude; and, moreover, the blows, and tongues prepared for accusations. Picture to your mind both the witnesses, and the accursed judgment of the blinded Pilate, and the immense Cross pressing my shoulders and wearied back, and my painful steps to a dreadful death.
Now survey me from head to foot, deserted as I am, and lifted up afar from my beloved mother. Behold and see my locks clotted with blood, and my blood-stained neck under my very hair, and my head drained with cruel thorns, and pouring down like rain from all sides a stream of blood over my divine face. Survey my compressed and sightless eyes, and my afflicted cheeks; see my parched tongue poisoned with gall, and my countenance pale with death. Behold my hands pierced with nails, and my arms drawn out, and the great wound in my side; see the blood streaming from it, and my perforated feet, and blood-stained limbs. Bend your knee, and with lamentation adore the venerable wood of the Cross, and with lowly countenance stooping to the earth, which is wet with innocent blood, sprinkle it with rising tears, and at times bear me and my admonitions in your devoted heart.
Follow the footsteps of my life, and while you look upon my torments and cruel death, remembering my innumerable pangs of body and soul, learn to endure hardships, and to watch over your own safety. These memorials, if at any time you find pleasure in thinking over them, if in your mind there is any confidence to bear anything like my sufferings, if the piety due, and gratitude worthy of my labours shall arise, will be incitements to true virtue, and they will be shields against the snares of an enemy, aroused by which you will be safe, and as a conqueror bear off the palm in every contest.
If these memorials shall turn away your senses, which are devoted to a perishable world, from the fleeting shadow of earthly beauty, the result will be, that you will not venture, enticed by empty hope, to trust the frail enjoyments of fickle fortune, and to place your hope in the fleeting years of life.
But, truly, if you thus regard this perishable world, and through your love of a better country deprive yourself of earthly riches and the enjoyment of present things, the prayers of the pious will bring you up in sacred habits, and in the hope of a happy life, amidst severe punishments, will cherish you with heavenly dew, and feed you with the sweetness of the promised good. Until the great favour of God shall recall your happy" soul to the heavenly regions, your body being left after the fates of death. Then freed from all labour, then joyfully beholding the angelic choirs, and the blessed companies of saints in perpetual bliss, it shall reign with me in the happy abode of perpetual peace.
From Fish Eaters

Tenebrae- Matins and Lauds of Good Friday