Possible Clues:

• Hybrid art technique
• Eclectic art technique
• Aimed, perhaps, to present integrated methods of communication?
• Maxim I reproduced involving two editors using various arts
• Combination of paint, ink and collage, say
• Art type
• Artwork using both paint and collage, e.g. ... and a hint to this puzzle's circled letters
• Combining traditional forms of works in the arts