Copy a local file to a remote host:
scp {{path/to/local_file}} {{remote_host}}:{{path/to/remote_file}}

Use a specific port when connecting to the remote host:
scp -P {{port}} {{path/to/local_file}} {{remote_host}}:{{path/to/remote_file}}

Copy a file from a remote host to a local directory:
scp {{remote_host}}:{{path/to/remote_file}} {{path/to/local_directory}}
scp shugo@ctrl-c.club:/home/shugo/d/chromium.AppImage .
scp shugo@ctrl-c.club:/home/shugo/d/brightnessctl-master.zip .