"For example"
* More common and general: Used to introduce a specific example or examples to clarify a general statement.
* Indicates a broad range of possibilities: Suggests that the example is just one of many potential examples.
* Focuses on illustrating the point: Emphasizes the general concept being explained.
"Instance"
* More specific and focused: Used to introduce a specific example that is particularly relevant or representative of the point being made.
* Highlights the particularity of the example: Indicates that the example is unique or notable in some way.
* Emphasizes the individual case: Draws attention to the specific details of the example.
Basic Difference:
* Specificity: "Instance" is more specific and highlights the uniqueness of the example, while "for example" is more general and indicates a broader range of possibilities.
* Emphasis: "For example" emphasizes the general concept being illustrated, while "instance" emphasizes the individual example.
Usage Examples:
For example:
* "Many fruits are high in vitamin C. For example, oranges, lemons, and grapefruits are all good sources."
* "There are different types of exercises. For example, running, swimming, and weightlifting are all good ways to stay active."
Instance:
* "The recent economic downturn is a prime instance of the cyclical nature of the market."
* "This painting is a perfect instance of the artist's early style."
When to choose which:
* Use "for example" when you want to provide a general example that illustrates a broader point.
* Use "instance" when you want to highlight a specific and often unique example that is particularly relevant to the point being made.
Ultimately, the choice between "for example" and "instance" depends on the specific context and the emphasis you want to convey. Both words are effective ways to introduce examples and clarify your ideas.