| A | B |
|---|
| ambulatory | A continuous aisle which wraps a circular structure or apse at its base, designed for use in processions |
| apse | a vaulted element in a church or cathedral which services to terminate a semicircular aisle or chapel. The apse is usually domed, will often form the altar Latin: absis or apsis |
| choir | the area located between the sanctuary and nave. The place where the psalms are sung. The end of a cathedral is usually inaccessible to the public to reserve for the clergy or the members of the choir. |
| nave | the central area of the western branch of a cathedral bordered by aisles. The center of a church or cathedal |
| spire | a tapering often elegant structure set atop a tower. In certain instances the tower itself has been designed as a spire on church. On churches, smaller scaled spires are often referred to as steeples. |
| capital | the upper element of an architechtural pillar, often finely decorated in Romanesque and early Gothic structures |
| gargoyle | from French word "gargouille", meaning throat. The word refers to sound which water makes as it passes through the gullet. Originally a reference to the frains atop cathedrals which were later carved into the form of beast/animals |
| Rose window | evolving from the simple round windows of the Romanesque period these indicate works of glass, metal, and stone literally flowered into holistic representations of the known universe, while glass windows were used in cathedrals of other countries, the Rose window was initially a French creation first appearing at St. Denis |
