Deriving Meaning of Degas Ballerina Class

Deriving meaning to me is to take artwork and decipher it.The meaning behind the Degas Ballerina Class, . " The dance foyer at the Opera Ru le Peletier,"1872 has many different meanings to it. It has a touch of happiness to it yet also mystery behind it. The people practicing and the emotions on their faces.

The lighting comes from the right hand side which makes you focus on the left. Your main eye focuses on the chair. How the chair shows implied motion anda hint of mystique. The chair has a bit of mystique to it for example: what is on there that chair? Is it dancing items or items left by accident on the chair? The sense of implied motion because the items onthe chair on not fully visually you can't really pull it apart it leaves alot for the imagination to wonder.
Also learning that degas worked with photography can explain the harshness of some of the lines. It has a very formal element and classic element to it. When defining the line in the painting, and the positive versus negative space how scattered it is.Also how the left becomes dominate over the right side of the painting. All these are examples of deriving meaning.