A remark made by a character towards the audience, but unheard by the others

a remark that's made towards the audience and is heard by others is an Epiphany

These two devices are similar because they are both spoken directly to the audience.

An act of speaking one’s thoughts aloud when by oneself

An aside can break the fourth wall

Juliet speaking to Romeo while he isn't present in the scene is an example of....

in literature, refers generally to a Visionary moment when a character has a sudden insight or realization that changes their understanding of themselves or their comprehension of the World around them.

When Hamlet says "to be or not to be" to the skull, it is an example of Apostrophe.

Elsa realizing that it takes love and warm hugs to thaw a frozen heart is an example of....

A long speech by one character, to express their thoughts aloud

A monologue is the idea that things represents other things.

A monologue is typically given to....

when a speaker breaks off from addressing one party and instead addresses a third party. This third party may be an individual, either present or absent in the scene, an inanimate object, or an abstract concept.

Giving human characteristics to an inanimate object is Apostrophe.

This is typically broken during Asides and Soliloquy