A quick definition of verbal note:

A verbal note is a message that is spoken instead of written down. It is often used in diplomacy to remind someone of something important that they need to do or answer. A verbal will is a type of will that is spoken instead of written down. Verba precaria are words used to create a trust, while verba solennia are formal and serious words. Verbatim means word for word, and verbi gratia means "for example." Verbruikleening is a legal term in Roman-Dutch law.