A talent (or gift, or aptitude) is the skill that someone has to do something that is difficult. It is an ability that someone is born with. People say they are "born with a talent". Someone who has talent is called talented. Talented people may have more than one talent. Music, dancing, acting, sports, or other skills have people with talent.
Even if someone has talent they may still have to work very hard if they want to perform well. Some people become quite good at something even if they do not have much talent, but if they are willing to work very hard at the skill.
Also talent is a natural ability to do something well. To have great artistic talent while a talent show is a podium for people to perform or show how well they can sing ,dance etc