Final answer:
The subject of the painting 'Design' by Angelica Kauffman is a Self-portrait. The painting is titled 'Self Portrait as the Allegory of Painting' and it depicts Kauffman herself portrayed as a painter, holding a brush. It is a representation of the artist reflecting on her own identity as an artist.
Step-by-step explanation:
The subject of the painting 'Design' by Angelica Kauffman is a Self-portrait. The painting is titled 'Self Portrait as the Allegory of Painting' and it depicts Kauffman herself portrayed as a painter, holding a brush. It is a representation of the artist reflecting on her own identity as an artist.