What are types of catering services?

My mother want to start catering business or catering services in Mississauga at very cheap cost so first of all i wanna to know about all information regarding catering services so that i helped my mother to start her own catering business. So please suggest me. Still i knew some types of catering services that are :

1. Special Event Catering Services

2. Private Event Catering Services

3. Corporate Event Catering Services

4. Office Catering Services

Rest of all these catering services if you know then please tell me. I am too tense how to start my catering business too. I hope i will be get success in my own catering business.

She loves cooking and my father is chef in Pane E Vino restaurant so she decides to start their own catering Business now.

Check my father restaurant where he works : http://pane-vino.ca/