🙂 Slightly Smiling Face

A face that is a little bit happy, with a slight smile and neutral eyes. Slightly Smiling Face was approved as part of Unicode 7.0 in 2014 a http://emojipedia.org/slightly-smiling-face/

• Change one's facial expression by spreading the lips, often to signal pleasure

• Part of the body at the front of the head
• The face is a central organ of sense and is also very central in the expression of emotion among humans and among numerous other species.
• Faces are the central sense organ complexes, for those animals that have one, normally on the ventral surface of the head.
• The front of the human head from the forehead to the chin and ear to ear
• The front part of the head, featuring the eyes, nose, and mouth and the surrounding area.
• A happy face expression using mouth, but without producing voice.
• A smile is a facial expression formed by flexing the muscles near both ends of the mouth and by flexing muscles throughout the mouth.
• A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement or anxiety.
• A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
• Conscious or subconscious facial muscular movement conveying mirth or pleasure
• An upwards movement of the sides of the mouth that indicates happiness or satisfaction.