Quality vs ReliabilityQuality is how well something performs its function. For example, a high speed train that is fast, energy efficient, safe, comfortable and easy to operate might be considered high quality. Reliability is how well something maintains its quality over time as it faces real world conditions. For example, a high speed train that is durable for 20 years and remains safe in high winds and earthquakes.
|Quality vs Reliability|
Fitness for purpose.
Quality that endures over time and in a variety of real world conditions.