Here are some examples:
* "Vou comer depois." (I will eat afterwards.)
* "Depois de fazer a lição de casa, posso ir brincar." (After doing my homework, I can go play.)
* "Depois da chuva, vem o sol." (After the rain, comes the sun.)
* "Vamos nos encontrar depois." (We will meet later.)
The meaning of "depois" can vary slightly depending on the context, but it generally refers to something happening after something else.