: The compression format used (7-Zip). This is often used to reduce file size for storage or sharing.

: High-quality video files capture ecosystems that may be changing due to climate change, serving as a digital "time capsule" for future generations.

: The "part number." This indicates that the original file was too large for a single upload or storage unit, so it was split into at least seven pieces. To open the video, you would typically need all parts (001 through 007 or more). The Role of Nature Documentaries in Digital Media