Amir Khusro was a poet. Poetry was his primary form of artistic expression. He is respected and celebrated for his contributions to Persian and Hindavi literature. Khusro`s poetry is known for its rich imagery, melodic language, and Sufi themes. He wrote poetry in both Persian and Hindavi, which was a mixture of Persian and Hindi. Khusro`s compositions were often set to music and performed by himself and his disciples. It is important to note that while Khusro was a multi-talented individual, his expertise and legacy are primarily associated with his poetic works. Therefore, the correct option is 1.