To explore a theme: A sequence of poems can be used to explore a particular theme or idea in depth, with each poem offering a different perspective or facet of the theme. This allows the poet to provide a more nuanced and comprehensive exploration of the theme.
To create a sense of unity: A sequence of poems can be used to create a sense of unity and coherence, by linking the poems together through common themes, images, or motifs. This can help to create a cohesive and satisfying reading experience for the reader.
To experiment with form: A sequence of poems can be used to experiment with different poetic forms and structures, allowing the poet to explore the possibilities of language and poetic expression. This can lead to innovative and groundbreaking work that pushes the boundaries of what is considered possible in poetry.
To provide variety: A sequence of poems can provide variety and contrast, by including poems that differ in style, tone, and subject matter. This can keep the reader engaged and prevent the sequence from becoming monotonous.