Italics:
* Emphasis: Italics are used to highlight words or phrases for emphasis.
* Titles of longer works: This includes books, plays, movies, magazines, newspapers, albums, etc.
* Foreign words or phrases: Italics are used to distinguish foreign words or phrases that are not yet commonly used in English.
* Scientific names: Italics are used for the scientific names of plants and animals.
Quotation Marks:
* Direct quotations: Quotation marks are used to indicate that a passage is a direct quote from another source.
* Titles of shorter works: This includes poems, songs, short stories, articles, chapters, etc.
* Words used in a specific way: For example, "the word 'love' has many meanings".
* Slang or informal terms: Quotation marks can be used to indicate that a word or phrase is considered slang or informal.
In summary:
* Italics focus on emphasis and longer works.
* Quotation marks focus on direct speech and shorter works.
It's important to use these punctuation marks correctly to ensure clear and accurate communication.