Difference between 301 and 302 redirects?

[fayeseom]

301 Redirect
Redirects to the site you specified in the Forward To field using a “301 Moved Permanently” HTTP response. The HTTP 301 response code tells user-agents (including search engines) that the location has permanently moved.

302 Redirect
Redirects to the site you specified in the Forward To field using a “302 Moved Temporarily” HTTP response. The HTTP 302 response code tells user-agents (including search engines) that the location has temporarily moved.