In technical terms, this is a . To "put together" the contents, you need to follow these steps:
The phrase appears to be a specific reference to a large, multi-part digital archive (likely totaling around 38GB to 40GB if each part is 2GB) that contains data related to a "paper" or academic project . 2GB.part19.rar
: You must have every preceding file in the sequence (part01, part02, ... up to part19 and any subsequent parts) saved in the same folder. In technical terms, this is a