Analysis of information sources in references of the Wikipedia article "Foobar" in English language version.
Further, it is possible to search for an effective address; e.g., if an instruction such as "add 1 foo" were used, specifying indirect addressing thru location "foo", and location "foo" contained the address of location "foobar", then an effective word search for "foobar" would find location "foo" and the location containing the "add" instruction as well.
Ensure that the name is applicable to the user's environment. Don't use unclear terms like foo, bar, and baz.