Ancient poems are divided by genre. What are they?

① write lyric poems about scenery, sing lyric poems about scenic spots and describe natural scenery. Because of dissatisfaction with reality, some ancient poets often attached their feelings to mountains and rivers, and expressed their thoughts and feelings by depicting the scenery of rivers and lakes and natural scenery. This kind of poetry often contains the feelings to be expressed in the scenery described later, which is what people often say. Its style is fresh and natural.

(2) chanting things and expressing poems, in which the poet describes the shape, characteristics, charm and character of the chanted things, so as to entrust the poet's own feelings and express the poet's spirit, quality or ideal.

(3) Poems about feeling homesick, which caused the poet's feelings because of one thing, such as feeling homesick, missing friends, etc.

④ Memorizing the past and chanting epic poems, taking historical allusions as the theme, or expressing one's own views, or satirizing the present through the past, or expressing feelings of vicissitudes.

⑤ frontier fortress battle poems, describing frontier fortress scenery and the military life of soldiers guarding the frontier, or expressing their feelings of optimism and heroism or homesickness, are tragic and bold in style and bold in brushwork.