Answer:
The exact words spoken by the person or character.
Step-by-step explanation:
Quotation marks (" ") are the punctuation marks that are used when quoting some words spoken by a person, the direct speech, etc. It is used when the exact words spoken by the person are quoted.
When talking about the character's plans for the future, or the main idea of what the character meant, there is no need to use quotation marks. They can be written as is, but when quoting direct words spoken by the characters, it is a must to use quotation marks to show that they are taken directly from the text and character's own words and not paraphrased or summarized.
Thus, the correct answer is quotation marks should be used when the exact words spoken by the person or character are shown.