Module (noun)

1. A standard or unit of measurement.
2. A self-contained component of a larger system or structure, especially in technology or engineering.
3. A separately organized unit or section within a course of study.

Origin:

Late latin modulus 'small measure'.

Examples:

1. The new software system is built using modular design, allowing for easy updates and maintenance.
2. This module covers the basics of computer programming.
3. The building was constructed using modular units, making it possible to assemble it quickly.
4. She took several modules in her degree program to learn more about her field of interest.
5. The company offers a variety of training modules for employees to improve their skills.