Skene Vs Greek

According to The Essential Theatre, the skene and the scaenae frons were used by the Greeks and the Romans as backgrounds for all their plays. Like the Roman scaenae frons, the Greek skene was two stories high. The scaenae frons included three to five doors on a back wall, which was somewhat similar to the Greek skene, which included three doors on the back wall. Although, both stages were similar in length, they were utilized differently.
Differences:
The scaenae frons 2nd story was utilized for dramas versus the roof of the Greek scene, which was used for ‘high places’ or for the appearance of Gods. The scaenae frons included two additional doors at each end of the stage versus the Greek skene, which included spaces between the stage and