An OGIVE is an arch with a pointed apex, often used in GOTHIC architecture. The GOTHIC style of architecture is characterized by pointed arches, ribbed vaults, and flying buttresses. An Ionic arch is a type of arch with a curved top and bottom, commonly used in classical Greek and Roman architecture. Finally, an OGEE is an arch with a double curve, often used in the decoration of buildings. All of these arches are examples of architectural elements that have been used throughout history to create beautiful and functional structures.