Here are some examples:
* ¿Entiendes lo que te estoy diciendo? (Do you understand what I'm telling you?)
* Entiendo tu punto de vista. (I understand your point of view.)
* No entiendo por qué no me llamas. (I don't understand why you don't call me.)
It's important to note:
* The "s" at the end of "entiendes" is only used in the second person singular form.
* You can also use the informal "tú" before "entiendes" if you are speaking to someone you know well.
* The word "entiendes" is a very common word in Spanish and is used in a variety of contexts.