When entering the file menezhder (control panel site - file manager), or when connecting to FTP-server the user is in the directory that contains the following folders:
web - folder for placing html-file, php-scripts, images and other things that will be available on your site.
cgi-bin - directory for storing browser (example the perl language).
ssl - ssl encryption keys
tmp - directory for temporary files that creates a web server.
log - Events of your site (errors, inputs, etc.)