The GUI or Graphical <u /><u></u><em />User Interface.
Out of the following, the only one that I see is not the basic role of a webmaster is replying to customers questions about the web site! Usually they have a specific job for that; like customer service etc. Hopefully that helps.
Answer:
Selecting the Tiled windows arrangement option places the windows in a(n) Grid pattern on the screen.
Explanation:
C because I said so hahahah
