Invention is a creation skill, where you use almost every other skill and a great number of items to train. You can do many activities using this skill, such as augmenting items for perks, and making new devices.
Tar Heel is the nickname for a native or resident of North Carolina as well as for the state itself, which is known as the Tar Heel State.
The term TAR is short for Tape ARchive. A tarball or tarfile is the name that describes a group or archive of files that are bundled together using the tar command and usually have the .tar file extension. If the tarfile is compressed using gzip command the tarball will end with tar.gz.