The phrase in question describes a common situation: numerous files being sent together through electronic mail as a solution to a puzzle, often presented in the form of a grid with intersecting words. As an example, a person might send a file for each themed word in a grid.
This approach can provide challenges in digital communication. Transmitting multiple components simultaneously, rather than consolidating them, may introduce inefficiencies in terms of storage and management. Understanding the historical context and benefits highlights opportunities for improvements.