Here are some examples of how it can be used:
* "Que buena la comida!" - "How good the food is!"
* "Que buena música!" - "That's good music!"
* "Que buena idea!" - "That's a good idea!"
The phrase can also be used in a more informal way, such as:
* "Que buena onda!" - "That's cool!"
* "Que buena onda que viniste!" - "It's cool that you came!"
It's important to note that "que buena" can be used for both male and female objects, and it can also be used in the plural form "que buenas" for multiple objects.
Let me know if you have any other questions!