"Notations 21" is a unique project that combines art and science, in which artists, designers, architects and other creative personalities participated. The book is a real masterpiece and the embodiment of creative experimentation, which shows us how our thoughts and feelings can be reflected with the help of symbols and notations. This book gives us the opportunity to see the world around us in a new light and enrich our perception of art. "Notations 21" is not just a collection of various signs, it is a journey into the world of creativity, where bright visual images are combined with deep philosophical content, leaving a mark in the heart of every reader.