Programming
A few examples of what you can ask Wolfram|Alpha about:
Wolfram Language Functions
get usage information about a Wolfram Language function
find options for a function
look up information about functions
get information about a property of a Wolfram Language function
find additional information about a Wolfram Language function
find groups of functions
Functional Programming
use functional programming constructs such as Map
use pure functions
compare programming languages
request a programming language property