All

Accuracy

The proximity of a measurement is real. In other words, in the worst case, a set of measurements is close to the real distance.

Precision

The proximity of a set of measurements to each other. In other words, accuracy gives us information about the measurement’s repeatability.

Error

The difference is the measured value with the actual value.

A short and very useful video in this field is available for download at the Arshi Control Toolkit.