: This is a sequence or version number. It often suggests this is the first file in a batch or a specific segment of a longer recording (e.g., a security clip or a multi-part export).
Files with these exact naming strings are commonly found in: 20211025-1_1080pmp4
: This indicates the video resolution is Full High Definition (Full HD) , consisting of 1,920 horizontal pixels and 1,080 vertical pixels. The "p" stands for progressive scanning, which provides a smoother image than interlaced video. : This is a sequence or version number
: Raw or unedited stock clips are frequently labeled by their capture date and resolution for cataloging in databases like those found on Xiph.org . The "p" stands for progressive scanning, which provides
: Cloud meeting exports sometimes use date-stamped strings if a custom title isn't provided.
: This represents a timestamp in YYYYMMDD format. It indicates the file was created, recorded, or exported on October 25, 2021 .