Complex sentence: In law, a "minor" is a person under a certain age--usually the age of majority--which legally demarcates childhood from adulthood; the age depends upon jurisdiction and application, but is generally 18.
Split into simpler sentences: In law, a "minor" is a person under a certain age--usually the age of majority--which legally demarcates childhood from adulthood. The age depends upon jurisdiction and application, but is generally 18.