- [libuv](https://github.com/joyent/libuv), C event loop library.
Anytime one needs to wait for a file descriptor to become readable,
- wait for a timer, or wait for a signal to received one will need to
- interface with libuv. That is, if you perform any I/O, libuv will
+ wait for a timer, or wait for a signal to be received one will need
+ to interface with libuv. That is, if you perform any I/O, libuv will
need to be used.
- Internal Node libraries. Most importantly is the `node::ObjectWrap`