Okay, so imagine you have a bunch of friends who all come from different places, and they all have different skin colors and different hair types. Some have light skin and straight hair, some have dark skin and curly hair, and some are in between. This is kind of like the Dominican Republic, which is a country in a place called the Caribbean.
Now, some people who come from the Dominican Republic have ancestors who were originally from a place called Africa. These people might have darker skin and curly hair, kinda like your friend who has that big curly Afro hairstyle. These people are called Afro-Dominicans.
Being Afro-Dominican means that you have a unique cultural heritage that blends together different traditions from Africa and the Dominican Republic. You might eat foods that are traditional in Dominican culture, but also have flavors and spices that come from African cuisine. You might speak a mix of Spanish and African languages, which is called Creole. And you might celebrate holidays that are important in both Dominican and African cultures.
So, being Afro-Dominican is just another way of saying that you come from a rich cultural background, and that you're proud of the different parts of your identity that make you who you are!