The Romans liked Greek art and often took Greek slaves to make art for them.
An artist will sometimes create CONCEPTUAL unity by unifying the ideas in a work of art.
Answer:
The treble clef located on the second line of the staff is called the second treble clef or simply the treble clef. In the baroque period it was known as the "Italian key". Currently in English and German it is called respectively "treble clef" ("treble clef") and Violinschlüssel ("violin clef").