[Question] What is `mode` and how to choose which one to use

[Halimao]

Running owshen wallet --help would output following content, and the mode is required.

But what is the mode, and how to choose?

owshen-wallet 0.2.0

USAGE:
    owshen wallet [FLAGS] [OPTIONS] --mode <mode>

FLAGS:
        --dev          
    -h, --help         Prints help information
        --peer2peer    
    -V, --version      Prints version information

OPTIONS:
        --bootstrap-peers <bootstrap-peers>...    
        --config <config>                         
        --db <db>                                 
        --ip <ip>                                  [default: 127.0.0.1]
        --mode <mode>                             Select mode: test, appimage, windows
        --port <port>                              [default: 9000]