1. Walden Pond: This is a pond in Concord, Massachusetts, which was the site of Henry David Thoreau's famous experiment in simple living. He built a cabin on the shore and lived there for two years, two months, and two days. He documented his experiences in his book *Walden*, which is often considered a masterpiece of American literature.
2. Walden (the book): This is the full title of Thoreau's book, "Walden; or, Life in the Woods". It's a reflection on transcendentalism, nature, and self-sufficiency, and explores the author's philosophy of living simply and in harmony with nature.
3. Walden (as a concept): The word "Walden" can be used as a metaphor for a place of solitude, simplicity, and connection with nature. It represents a yearning for a life that is free from material possessions and societal pressures.
4. Walden (as a place name): There are a number of places named "Walden" across the United States. These names often reflect the popularity and influence of Thoreau's work.
To clarify what "Walden" refers to, consider the context in which it's used. If you're talking about a specific location, it's likely referring to the pond. If you're discussing literature, it likely refers to the book. And if you're talking about a philosophical concept, it's likely referring to the idea of a simple, nature-oriented life.