Example:
* With Oxford comma: I went to the store to buy apples, bananas, and oranges.
* Without Oxford comma: I went to the store to buy apples, bananas and oranges.
Why use an Oxford comma?
* Clarity: It helps to avoid ambiguity, especially when dealing with lists that include phrases or clauses. For example: "I invited my mother, my father, and my aunt." Without the comma, it could be read as "I invited my mother, my father and my aunt," which implies a different relationship.
* Consistency: Some style guides, including the Chicago Manual of Style, recommend using the Oxford comma for consistency.
When not to use an Oxford comma:
* Short lists: Some writers prefer to omit the Oxford comma in lists of two or three items, especially when the list is short and simple.
* Personal preference: Ultimately, the decision of whether or not to use the Oxford comma is a matter of personal preference and style.
In summary:
The Oxford comma is a stylistic choice that can improve clarity and consistency. Whether you use it or not depends on your personal preference and the style guide you are following.