Answer:
What is a search engine and what is its function? Search engines function on the Internet by allowing Internet users to find specific information from the Web based on keyword criteria that is entered by the user. Each search engine has a crawler that projects into the Internet to follow hyperlinks and gather information from Web pages.
Answer:
A Metaphor
Explanation:
Because if you think about it if you are having a metaphor I know it doesn't make a lot of sense but I does :) Hope I kinda helped...