hispanic and latino is like all the different types of people who speak spanish like people from chile,mexico,peru etc. its just two different ways to say them.
The correct sentence would be... " I don't understand how we could disagree! We both witnessed the same accident!" You need a capital I and a capital W at the start of your second sentence.
en los detalles de los elementos básicos del diseño, irá más allá al explicar los principios de cómo se deben unir los elementos para crear un proyecto visual entretenido y divertido
