What is the difference between 720p and 1080p?

"The 720p means it shows 720 lines across the screen concurrently every 60 seconds, this leads to a resolution of 1280x720. Naturally, the 1080p shows 1080 lines, producing a resolution of 1920x1080. The 720p is more common than the 1080p when watching regular TV, it is usually preferable for sporting events. Basically, the 1080 produces a better resolution than the 720, showing more detail."