Package
From FreeBSDwiki
A package is a port, pre-compiled for maximum compatability and speed of install. You can't change the compile options and packages wontedly don't run as fast as ports.
Sometimes a package is helpful when the port or one of its dependencies is broken or when you only need something installed very quick.
Packages are added with the command pkg_add and removed with pkg_delete. You can identify which packages have been installed on your system via the pkg_info command.