: In the context of peer-to-peer (P2P) sharing, "piece" refers to the small segments that a large file is broken into for downloading. BitTorrent protocols download these pieces from different users simultaneously to increase speed and reliability. Contextual Meanings

: This is the name and version of the software, a 2D pixel-art platformer game developed by Semag Games.

: If you are seeing this in a downloader, it means the program is currently verifying, requesting, or has just finished a specific segment (piece) of that zip file.