What is not an example of a function?

Match the following terms to their meanings:

I. HTTP II. Web browser III. URL IV. Domain name V. IP address A. software used to format and display webpages B. defines the address of documents and resources on the web C. unique set of numbers used to identify a web server D. Web protocol used to define how messages are formatted and transmitted E. user-friendly way to represent an IP

A __________ can correspond to a machine instruction, as assembler directive, or a macro.

Fill in the blank(s) with the appropriate word(s).