(noun) a typical or common amount of something
average
(noun) an idea of how something is, or how it should be done
concept
(verb) to experience something
encounter
(noun) a scientific test
experiment
(noun) a single person
individual
(noun) ways of communicating information or news to people
media
(noun) the usual way of doing something
norm
(phrase) to trust in
rely on
(noun) someone who finds out information
researcher
(noun) someone who offers to do something for free
volunteer
