Here's a breakdown:
Creation and the Divine: The poem questions the creator of the tiger, asking "Did he who made the Lamb make thee?" This implies a powerful and possibly even terrifying God who is capable of creating both the gentle and the ferocious. The imagery of fire and furnace suggests a passionate and perhaps destructive force behind creation.
Beauty and Terror: The tiger is described with awe-inspiring imagery, emphasizing its powerful beauty, fierce energy, and awe-inspiring presence. Yet, it is also a creature of darkness and potential for destruction. This duality highlights the contradictory nature of the world, where beauty and terror often exist side-by-side.
Good and Evil: The question "Did he who made the Lamb make thee?" also raises the issue of good and evil. The lamb is often associated with innocence and gentleness, while the tiger embodies power and potentially destructive force. This suggests a potential for both good and evil to exist within the same creator, or perhaps even within ourselves.
The Power of Imagination: Blake's poem celebrates the power of imagination, not just in creating the tiger, but in conceiving of a world that is both beautiful and terrifying. He uses vivid imagery and evocative language to bring the tiger to life in the reader's mind.
Ultimately, "The Tyger" is a meditation on the mysteries of creation, the complexities of human nature, and the powerful force of imagination. Blake leaves us with more questions than answers, inviting us to contemplate the deeper meaning of existence.