Early Christian

With Christianity coming alive, people needed a place to assemble and worship.More and more churches were being built and the church structure became an art form. The first plan was in the form of simplicity. It was a column free rectangle including an apse at the end. Basilica plans would alter over time based on Christian service practices.
Below is a picture of Basilica at Trier which shows this type of basilica setup.


The next form of church was just like the one previously talked about except side isles were added. This was to allow for people who were coming and going could exit or enter without disturbing the church service. A row of columns separates the aisles from the nave. The apse is generally adorned in a mosaic or fresco and serves as the location for a backdrop of the alter.  Below is a picture of Sant' Appollinare in Classe. This is a model for the reformed church structure.




Below is a picture of The Holy Trinity church on main street in Bloomington that clearly shows the side aisles separated by columns.