Potential Oak is a term that refers to an ACORN, which is the nut of the oak tree. An ACORN is a small, hard nut that contains a single seed and is produced by the oak tree. Acorns are an important food source for many animals, including squirrels, deer, and birds. They are also used in traditional medicine and as a source of oil. Acorns are also used in some cultures as a symbol of strength and potential.