taste; mouthfeel; texture on the tongue
Refers to the sensation of food or drink in the mouth, including taste and texture. Often used in food reviews and descriptions.
This wine has a smooth mouthfeel.
This soup has a pleasant taste, doesn't it?
manner; demeanor; way of talking
Describes the impression someone gives through their speech or behavior; often used in the phrase 口当たりがいい (smooth-talking, affable).
He has a smooth way of talking, so he quickly became popular.
Don't be fooled by smooth words.