Speaker

Definitino: is the imaginary voice assumed by the writer of a poem.

Ex: With an evil eye that stares you down
and a bulbous warty nose,
a furrowed brow, a nasty scowl,
and old outdated clothes,
my costume is the scariest
the world has ever seen.
I’m not an ogre, ghost, or ghoul:
I’m a teacher for Halloween.

the person who said this is the teacher
Signification: the speaker let us know who is telling the story and understand the point of view of or created by the poet.