Final answer:
DVD and VHS are physical video formats, with DVD being Digital Versatile Disc and VHS being Video Home System. HD is a quality of video, while AVI is a digital file format for storing video and audio data.
Step-by-step explanation:
The type of video format mentioned in the options of the question are as follows: HD stands for High Definition, which is a quality of video. DVD stands for Digital Versatile Disc, which is a type of optical storage media used for video and data storage. VHS stands for Video Home System, which is an analog video tape recording format. Lastly, AVI stands for Audio Video Interleave, which is a multimedia container format introduced by Microsoft.
Among these options, DVD and VHS are the types that are specifically related to physical media formats. DVDs have been prevalent in home entertainment systems, but their popularity is waning with the advent of digital streaming services like Netflix. VHS was once widely used but is now mostly obsolete. HD is a video quality rather than a format itself. AVI is a file format that can contain video and audio data in various codecs.