Could you explain the metaphor of the 'tree of worldly existence' as it's described in Chapter 32?

In Chapter 32, the 'tree of worldly existence' is a powerful metaphor for Samsara. It is depicted as a vast, extensive tree with its roots growing upwards and its branches spreading immeasurably, making its full form impossible to comprehend. This tree is characterized as being filled with birth, death, and sorrow. The text clarifies that it is called a 'tree' precisely because it is subject to 'cutting and destruction,' highlighting its perishable and transient nature. Chapter 32 further warns that while this tree might appear pleasant from a distance, embracing it leads to pain, as its thorns will pierce the whole body, symbolizing the inherent suffering found within worldly life.