In general, macro photography means close-up photography. Even though theoretically definition the term should only be useful to those photos which have a 1:1 or closer magnification. It is the art of capturing close up moments that expose details which can’t be seen with general open eye.
As a human we can’t realize how much, we are limited to see. Only macro photo shows us how limited we can see. Here are some mesmerizing examples of macro photography which must inspire you.