What does the mother in the video say is the best thing?
to have food
to be alive with all her family
to have a good time ina new country
to have new clothing

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."