Some of the thoroughfares have lent their names to unofficial terms for the areas they serve.

There are also some unofficial terms, such as:

The former village is also considered a hamlet, an unofficial term which refers to a named but unincorporated place in New York.

It is an unofficial term, undefined by law, regulation or any official body and therefore open to interpretation in practice.

The set also focuses on "cogs" (an unofficial term for artifacts which cost 1 or 0 mana).

The unofficial term South Central States refers to approximately the same area.

The term though always unofficial, has tended to gain more importance in places of power struggle e.g. politics, sports organizations etc.

The name tiger stripes is an unofficial term given to these four features based on their distinctive albedo.

It is an unofficial but widely used term in the sport.

Nowadays, dozens of wines fall into the super-Tuscan category, which is an unofficial term that will never show up on a label.