1080p indicates the video is in High Definition (HD) resolution. Industry Resources
Another resource used for tracking credits and historical data within the adult entertainment industry. WillTileXXX.22.12.16.Alexis.Fawx.XXX.1080p.mp4
For those looking for more information regarding adult film credits, production details, or performer filmographies, there are several established industry databases: 1080p indicates the video is in High Definition