Omeros is an epic poem by Derek Walcott that is written in blank verse. It tells the story of the Caribbean island of St. Lucia and its people.

Blank verse is typically written in iambic pentameter, which means that each line has five iambs, or pairs of unstressed and stressed syllables.

Derek Walcott uses blank verse in his poems to create a sense of grandeur and epic scale, to explore personal and intimate themes, and to tell stories about the Caribbean and its people.

Using blank verse in poetry creates a sense of formality and seriousness, allows the poet to explore complex themes in a sustained way, and helps the poet to create a sense of rhythm and flow.

The line "The sea is not a map, it is a book" is an example of blank verse from Derek Walcott's poem "Omeros". It is written in iambic pentameter and has a sense of grandeur and epic scale.

Derek Walcott uses blank verse to explore personal and intimate themes in his poems by writing about his childhood and family, his relationship with the Caribbean, and his experiences as a black man in a white world.

Derek Walcott uses blank verse to tell stories about the Caribbean and its people by writing about the history of the Caribbean, the culture of the Caribbean, and the people of the Caribbean.

Derek Walcott's use of blank verse in his poems helps him to create a sense of unity and coherence, allows him to explore a wide range of themes and subjects, and helps him to connect with his audience.

Blank verse is typically written in iambic pentameter, has a regular meter and rhythm, and is used in epic poetry. However, it does not rhyme.

Derek Walcott uses blank verse in his poems to create a sense of grandeur and epic scale, to explore personal and intimate themes, and to tell stories about the Caribbean and its people.