1080p facts for kids
1080p refers to a level of high definition. It is the highest level of high definition that most high definition televisions can show. The number 1080 means there are 1,080 lines of color going from left to right in each picture on the screen. The p means progressive scan (every picture has all the lines every time). 1080p is almost always widescreen.
1080p Facts for Kids. Kiddle Encyclopedia.