MOV is not one file format but rather a format envelope that can be made up of any of dozens of codecs, resolutions, and frame rates from basic DV through H.264, HEVC to ProRes, and other pro formats.
We have been familiar with 1080p/720p for quite some years. While HD has taken a leap with higher resolution up to 4K UHD. From cameras to TVs, game consoles to streaming services, mobiles to desktops ...