Containers (like MP4, MKV) are file formats that hold multiple tracks (video, audio, subtitles), while codecs (like H.264, AAC) are the algorithms that compress and decompress these tracks. The industry's naming conventions, such as MPEG-4 Part 10 being H.264, often blur this distinction, leading to confusion.
Impact: Medium. Clarifying the difference between containers and codecs is essential for understanding video file structures and troubleshooting playback issues, demystifying the technical jargon.
In the source video, this keypoint occurs from 00:19:20 to 00:22:42.
Sources in support: Kieran Kunhya (FFmpeg Contributor, Developer of FFmpeg X account), Jean-Baptiste Kempf (Lead Developer of VLC, President of VideoLAN)

