How they stroke there paintbrush and how light and dark the color is or how thick it looks and how realistic it is and mostly what is the main reason or a hidden message about the painting.
The answer is (d.) choose only the visuals that are easily understood.
The main purpose of the visual aids is to help improve the understanding of the audience to the presentation. It clarifies and reinforce the key points of the topic. So it's important to choose the appropriate visual that could help the presentation easily understood.
Polyphonic texture- Renaissance was generally monophonic with accompanying chords or a basso continuo line.
We study art for many things; culture, history, determining value, studying religions.