Soliloquy Key Features

Soliloquy: when a character is all alone and they turn to the audience and speaks to them, then in the middle the character changes their mind and it ends in a heroic couplet.

Heroic Couplet:

At the end of a soliloquy, means a decision has been made

Structurally a heroic couplet has 2 lines in iambic pentameter that rhyme

"Hear it not Duncan for its a knell

That summons thee to heaven or to hell"