Gouache paints come in many colors and are usually mixed with water to achieve the desired working properties and to control the opicity when dry, also like watercolor, gouache dries to a matte finish. it is similar to acrylic or oil paints in that is normally used in an opaque painting style
Answer
In the Ascension illustration of the Rabbula Gospels,Virgin Mary symbolized the Christian Community.
Explanation
Ascension is the act of something rising or going up. This day is counted six weeks after Easter Sunday. In the ascension of Christ to Heaven, He is surrounded by four angels and below are apostles and Virgin Mary. Virgin Mary here has the status of the bearer of God and the mother of Christ. She symbolizes the whole Christian community on earth.
The piano has these three features