modulemod·ule /ˈmɒdjuːlˈmɑːdʒuːl/ noun [countableC]1one of several separate parts that can be combined to form a larger thingSoftware is often written in modules by teams of programmers.
2British EnglishBrE one of the units that a course of study has been divided into, each of which can be studied separatelytraining modules in service quality
—modular adjectiveadja modular course in business studies