STACKS.... and chioces

If I have to present something about stacks...
What do you think I need to talk about ....

cout<< "pick a choice of....";
cout<<" enter 1 if push and pop";
cout<< "enter 2 if difinations ";
cout<< "enter 3 if Adaptors and stacks and queues in genral";
cout<< "enter 4 if Stacks and Lists";
cout<< "enter 5 if FIFO and FILO";
cout<< "enter 6 if you have no answer";
cout<<" enter 7 if you no nothing about stacks;

int choice;
if (choice < 1 or chioce >7)
cout<<" :o:o:o:oPlease we need to work.. enter your chioce :o:o:o again";
else {
cout<< "Thanks :p:p:p";

switch....
..
..
..
..
..
}
coutt<< "goodby";

thnx

Most of the above, depending on how much time you have to fill. I would explain its structure and its functions, complare it it to other data structures, pros and cons, and give an example of its application.

But hey, thats just me....

thanx..
Unswering your question .... I have 30-45 minuites...

just vote... Please ;)