There are three birthstones for the month of December: tanzanite, zircon and turquoise. All three of these stones are a deep blue color and have their own history and chemical composition. One of the more interesting of the three is tanzanite, a gem you may not have heard of before.
(May 2010) (Learn how and when to remove this template message) In computing, an interface is a shared boundary across which two separate components of a computer system exchange information. The exchange can be between software, computer hardware, peripheral devices, humans and combinations of these.
an API(Application Programming Interface) is a set of defined functions and methods for interfacing with the underlying operating system or another program or service running on the computer. 1  It is usually used by establishing a reference to a library in your software or importing a function from a dll.