Reading Data and Strings with the serial interface

Hello guys, I've never included the serial interface in my projects and I was wondering how to receive entire words or sentences and store them into strings.

Have a look at the examples in Serial Input Basics - simple reliable ways to receive data.

...R

I was wondering how to receive entire words or sentences and store them into strings.

Why would you want to? Receive them from what?

Are you planning something silly like a calculator that understands "Add twelve and twenty-seven"?