Raphael has demonstrated tone in this painting. An example of this is were the light beaming through the windows and creating darkness on the ceiling of the domes. This gives the painting a three-dimensional effect. Also demonstrates line and a range of different colors but mostly primary and secondary, matching perfectly to each figure and object.
The themes he is exploring are philosophic thinking buy Greek Philosophers, who are expressing their theories and beliefs to one another. What this work means to me is, that Raphael had great respect for the Greek scholars and philosophers and admired there teaching and beliefs.
The intention on the artist was to express social views as it looks as if the scholars are socialising to one another and sharing their thinkings. This could also come under a political interpretation as they might be expressing