fi·del·i·ty
[fi-del-i-tee, fahy-]
–noun, plural -ties.
1.strict observance of promises, duties, etc.: a servant’s fidelity.
3.conjugal faithfulness.
4.adherence to fact or detail.
5.accuracy; exactness: The speech was transcribed with great fidelity.
6.Audio, Video . the degree of accuracy with which sound or images are recorded or reproduced.