1. Notification on left click (system information):
  a) uptime                - uptime, kernel information
  b) cpu, cpuclock, temp   - cpu, cpuclock, temp, processor information
  c) gpu, gputemp          - gpu, gpu temp, gpu information
  d) memory, swap          - memory, swap, memory information
  e) hdd, hddtemp          - hdd, hddtemp, disk information
  f) network               - speed, network information
  g) battery               - battery, ac, acpi information
2. Tooltip (graphical information):
  a) cpu, %
  b) cpuclock, mhz
  c) memory, %
  d) swap, %
  f) network, %