Dots symbolize that from sorrow comes unexpected blessings. Endless line symbolizes eternity. Diamond shape symbolizes knowledge. Eight pointed stars represent success. The Cross represents the suffering, death and Resurrection of Christ.
Triangles symbolize the trinity.
So you can tell a story with your egg. Place one-color selection ingredients into a pan and boil. While the water is vigorously boiling add one teaspoon of white vinegar into the water. Let boil for several minutes then strain and transfer dye into a bowl to cool and dye your eggs in.