What are the main characteristics of Tang poetry in theme?

One is mainly about describing real life and full of realistic style. There are many poets, many works and a wide range of subjects. Du Fu's Three Officials and Three Farewells, Bai Juyi's Charcoal Man, etc. all belong to this kind of poems. Second, it mainly describes dreams and ambitions, full of romanticism, similar to poems about immortals. There are fewer poets in this kind of poetry, and the subject matter is relatively narrow. Most of Li Bai's poems belong to this category. Thirdly, they are pure pastoral poems describing natural scenery. These poems are narrow and there are not many poets. Both Wang Wei and Meng Haoran belong to this category.