comprehensiveexplanation

noun
UK /ˌkɒmprɪˈhensɪv ˌekspləˈneɪʃən/
US /ˌkɑːmprɪˈhensɪv ˌekspləˈneɪʃən/

A full and clear telling of something so you understand all of it.

The teacher gave a comprehensive explanation of how plants grow, from seed to flower.


OTHER MEANINGS

2. A step-by-step lesson that covers every part of a topic.

Her comprehensive explanation of the water cycle included pictures and a diagram.

3. A written or spoken answer that leaves nothing out.

The manual's comprehensive explanation helped him fix the bike on his own.

4. A clear telling that makes a hard idea easy to grasp.

Grandpa's comprehensive explanation of how the engine works made the whole family smile.