When output spans multiple pages, you can configure the CLI to pause after each page. When the display pauses, the last line displays ‑‑More‑‑. You can then either:

This might be useful when displaying lengthy output, such as the list of possible matching commands for command completion, or a long list of settings. Rather than scrolling through or possibly exceeding the buffer of your terminal emulator, you can simply display one page at a time.