In William Shakespeare's play Macbeth, characters frequently use soliloquies and asides to convey their true intentions and inner turmoil. One of the most famous soliloquies is spoken by Macbeth in Act 2, Scene 1, where he contemplates the murder of King Duncan. This passage allows the audience to delve into Macbeth's psyche and understand his moral conflicts.
In this context, which of the following best describes the function of Macbeth's soliloquy during this scene?