As nouns the difference between laura and it
is that
laura is (historical|roman catholic church) a number of hermitages or cells in the same neighborhood occupied by anchorites who were under the same superior while
it is one who is neither a he nor a she; a creature; a dehumanized being.
As a pronoun it is
the third-person singular personal pronoun used to refer to an inanimate object, to an inanimate thing with no or unknown sex or gender.
As an adjective it is
(colloquial) most fashionable.
As an abbreviation it is
(
language) italian.