What is the difference between > and | ? Or what is the difference between redirection and the pipe?

A		The redirection operator connects a command can be used by regular users on a system, while pipelines can only be used by administrators.
B		The redirection operator connects a command with a file while the pipeline operator connects the output of one command with the input of a second command.
C		The redirection operator connects a command with a file while the pipeline operator reads input from the keyboard.
D		They are both the same, but pipelines were added by Linux as an alternative symbol.