DaVinci uses simple lines & circles to create his drawing of his Design for a Parabolic Compass.
Leonardo da Vinci, Design for a Parabolic Compass, 1500, Sketch, LeonardoDaVinci.net
Texture
In Sedge, DaVinci still drawing using lines but adding texture when drawing the leaves of the sedge.
Leonardo da Vinci, Sedge, 1510, Sketch, LeonardoDaVinci.net
Space
In Study of the hanged bernardo di bandino baroncelli assassin of giuliano de medici DaVinci uses the space around his drawing for making notes, he is still using lines, creating texture.
Leonardo da Vinci, Study of the hanged bernardo di bandino baroncelli assassin of giuliano de medici, 1479, Drawing, LeonardoDaVinci.net
Value
In St. John the Baptist, DaVinci uses a combination of lightness and darkness of color. This shading adds texture to this painting.
Leonardo da Vinci, Saint John the Baptist, 1513, Oil Painting, Musée du Louvre in Paris
Color
In Madonna Litta,DaVinci uses bright colors in contrast with dark colors.
Leonardo da Vinci, Litta Madonna, 1490, Tempera, State Hermitage Museum
Form
Michelangelo’s Madonna of Bruges has a perfect 3-D coned shaped form.
Michelanagelo, Madonna of Bruges, 1501-1504, Marble, Church of Our Lady Bruges
Unity
Michelanagelo’s paintings in The Sistine Chapel worked in unison to tell stories from the Bible. There were 9 scenes from the Book of Genesis, the story of Adam and Eve, and 3 stories about Noah.
Michelanagelo, The Sistine Chapel Ceiling, 1508-1512, Paintings, Vatican Museums
Balance
In Michelanagelo’s The Last Judgment there is no space that isn’t covered, both sides of the painting are visually equal.
Michelanagelo, The Last Judgment, 1534-1541, Painting, Vatican Museums
Emphasis
In the sculpture of Michelangelo’s Pietà, your eyes are drawn to the women who is grieving over her dead son.
Michelangelo, Pietà, 1498-1500, Marble, St. Peter's Basilica
Movement
In Laocoön and His Sons, you can see the battle they are in with the serpents wrapped around them and they are struggling to break free.
Agesander of Rhodes, Polydorus of Rhodes, Athenodoros of Rhodes, Giovanni Angelo Montorsoli, Athanadoros, Laocoön and His Sons, 27 AD, Marble, Vatican Museums