cf. is an abbreviation for the Latin word confer, meaning "compare" or "consult",[...] used to refer to other material [...] ...
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
cf. is an abbreviation for the Latin word confer, meaning "compare" or "consult",[...] used to refer to other material [...] ...