A full home or temple "puja" can include several traditional "upacaras" or "attendances". The following is an example "puja"; these steps may vary according to region, tradition, setting, or time particularly in ways the deity is hosted. In this example, the deity is invited as a guest, the devotee hosts and takes care of the deity as an honored guest, hymns and food are offered to the deity, after an expression of love and respect the host takes leave and with affection expresses good bye to the deity. Indologist Jan Gonda has identified 16 steps (shodasha upachara) that are common in all varieties of puja: