In order for the Tao to broaden its experience, it decided to create this earth existence and divide itself upon it. The purpose was to gain the greatest diversity of experience. And in order for the Tao to learn, progress, and grow, the Tao chose to break into smaller pieces. We call these smaller pieces “fragments” of the Tao. Some of these fragments are us. You are a fragment of the Tao. The earth is also one of those fragments, so the earth is a fragment of the Tao.
The Tao is the total gathering of information, knowledge, wisdom, energy, etc. It is the sum of all existence, both what you can sense and that which you have no concept of. Everything that is.