Signs (on) is a term that can refer to a variety of different things. LOGS, hires, enrols, enlists, and ENROLLS are all related to this term. LOGS refers to the keeping of records or accounts, such as in a logbook. Hires is the act of employing someone for a job or service. Enrols is the process of registering or enrolling someone in a course or program. Enlists is the act of enlisting or recruiting someone into a military or other organization. Finally, ENROLLS is the same as enrols, but with an extra letter. All of these terms are related to the concept of signs (on), which can refer to a variety of different things.