Repetition refers to the act of repeating a word, phrase or action and in literary terms, this can be particularly useful to writers as they use it as a rhetorical device to help them to call attention to an idea.

<h3>Appeal to logic</h3>

This is a type of literary element which has the main purpose of trying to make use of logic to try and persuade or convince

<h3>Appeal to emotions</h3>

This refers to the use of emotionally charged words in order to make someone do something either out of fear, out of pity, fear of missing out, etc.

<h3>Appeal to authority</h3>

This refers to a persuasion technique where a person makes a reference to the endorsement of a person who is a figure of authority about a certain product.

Please note that your question is incomplete so I gave you a general overview so you can get a better understanding of the concept.