In order to disambiguate the Meaning of ambiguous Terms, [Experience](/blog/500/) and [Context](/blog/498/) are necessary.
Experience - Human decide from their Experience what the Meaning of an ambiguous Term is the correct one. Computers use Experience in Terms of Knowledge Bases which represent known Facts as a form of Machine-Understandable Experience.
Context - Ambiguous Words without Context cannot be disambiguated even by a Human. Only having a word Humans apply a Meaning according to their actual Context - a TV Documentation they watched recently for example.