History description 2014-03-26: Lock all vaue sets untouched since 2014-03-26 to trackingId 2014T1_2014_03_26

description:

A value representing the level of proficiency in a language.

Example: Excellent, good, fair, poor.

description:

A value representing the level of proficiency in a language.

Example: Excellent, good, fair, poor.