Okay kiddo, a citharede is someone who sings and plays the cithara, which is an ancient musical instrument that looks like a small harp or guitar. It's kind of like when you play your toy guitar or ukulele and sing along to your favorite songs.
Citharedes would often perform in ancient Greek and Roman temples or at public events like festivals and competitions. They would sing songs about the gods and goddesses, love, war, and other important or interesting things.
Sometimes, citharedes would also wear special costumes and masks to make their performances even more interesting and enjoyable for the audience. It's kind of like when you dress up as your favorite character and sing a song in front of your family or friends.
So, a citharede is basically a musician who plays the cithara and sings songs to entertain people. They were very important in ancient times and helped keep the culture and traditions alive through music and storytelling.