Enhancement: Add Explicit Save Button For Light Editor Instead Of Auto-creation On Close

The meaning of enhancement is the act of enhancing or state of being enhanced : How to use enhancement in a sentence. The enhancement of something is the improvement of it in relation to its value, quality, or attractiveness.

The noun enhancement comes from the verb enhance, meaning "to increase or improve," and it can describe anything that's an improvement to the quality or value of something. Definition of enhancement noun in oxford advanced learner's dictionary.