Some very thoughtful people celebrate August 17 as "Meaning of 'Is' Day." To help you meditate on the meaning of existence I'm wearing a solid-color lavender tie on a striped lavender-and-white shirt. To get started, think about the fact that what you call "solid" does not actually exist -- what you claim to touch 'is' really almost completely empty space. Or you could consider the question "What is lavender (the color)?" You might also notice that my tie knot 'is' a Trinity -- what a very strange description of reality.