It's called a monologue. A dialogue is two or more.
If the character is talking to his/her self then it is called a soliloquy. An example is Hamlet's soliloquy "To be or not to be that is the question ........."
Dialogue
It is a speech by one orator, such as an address by a politician to a crowd of people. It's contemporary meaning is a dialogue given by a comedian to an audience. Such as what Jay Leno or Conan O'Brien would do at the start of their live shows.
A form of speech with only one person speaking is called a monologue.
When a character is revealed by clear descriptions by the author this is called
Sung speech is called recitative, or as it is generally know, recitativo.
Dialogue
It's called a monologue. A dialogue is two or more. If the character is talking to his/her self then it is called a soliloquy. An example is Hamlet's soliloquy "To be or not to be that is the question ........."
a speech made by one person or character
In Shakespeare's "Hamlet," the famous soliloquy spoken by Hamlet begins with the words "To be, or not to be." This introspective speech explores the themes of life, death, and existence, as Hamlet reflects on the pain and struggles of life and contemplates the idea of suicide.
The circle around speech in a comic is called a speech bubble or speech balloon. It is used to indicate that a character is speaking or thinking.
character description...
A speech recited by two or more persons is a chorus. If it is only one person, and nobody on stage is responding, it is a monologue.
A long speech made by a character that other characters hear is called a monologue. It is a moment where a character expresses their thoughts, feelings, or intentions to other characters or the audience.
monologue
A speech by one person is called a monologue.
The person who gives a speech is called a speaker or an orator. They are responsible for delivering a message or addressing a topic to an audience.
"Entirely" is an adverb. It is used to modify verbs, adjectives, or other adverbs by expressing the idea of completely, wholly, or fully.