What Code or coding is

The act of creating computer programs, Web sites, and other applications. "Code" refers to the typed program instructions that programmers write. The written code is interpreted into a language that a system can read and execute. A favorite term among Web developers, code is often mentioned with interesting verbs. For example, you may hear programmers say, "We're busy slinging code," which means they are writing a computer program or programming a database or Web site.

The meaning of ISAPI

Internet Server Application Program Interface. An application programming interface created by Process Software and Microsoft. It is tailored to Internet servers. ISAPI uses dynamic link libraries (DLLs) to make processes faster than under regular APIs.