Final answer:
"Public transportation" refers to the transportation of groups of people who are not your associates or members of your family. It includes various modes of transportation such as buses, trains, subways, trams, and ferries that are available for use by the general public.
Step-by-step explanation:
"Public transportation" refers to the transportation of groups of people who are not your associates or members of your family. It includes various modes of transportation such as buses, trains, subways, trams, and ferries that are available for use by the general public. Public transportation is designed to provide convenient and affordable transportation options for individuals and reduce congestion on roads.