Okay, so Gaelic games are sports that are played in Ireland, and one of the ways that these games are organized is by dividing the country up into smaller areas, called counties. Each county has its own team, and they play against other counties in tournaments and competitions.
Now, the sports that are played in Gaelic games include things like hurling, which is sort of like if you combined lacrosse and field hockey, and Gaelic football, which is a mix of soccer and rugby. There are also other games like camogie (which is like hurling, but for girls) and rounders (which is kind of like baseball).
The players on the county teams are usually from that area, and they're really good at these sports because they've been practicing and playing since they were little kids. They wear special uniforms called jerseys that have their county's colors on them, and when they play against other counties, they try really hard to win.
Sometimes, the county teams get to play in really big games, like the All-Ireland Championship, which is the most important tournament in Gaelic games. The teams from all the different counties compete in this tournament, and the winner gets a big trophy called the Sam Maguire Cup.
So, to sum up: in Gaelic games, there are different counties in Ireland that all have their own teams, and they play against each other in sports like hurling and Gaelic football. The players on these teams wear special jerseys, and they try really hard to win big tournaments like the All-Ireland Championship.