sign |
indicium |
As nouns the difference between sign and indicium
is that
sign is (sometimes|also used uncountably) a visible indication while
indicium is an indication; a sign.
As a verb sign
is to make a mark.
indication |
indicium |
As nouns the difference between indication and indicium
is that
indication is act of pointing out or indicating while
indicium is an indication; a sign.