Basic Human Emotions Illustrated: Happy, Sad, Angry, Indifferent #1393859 (License: Personal Use)

This image presents four hand-drawn stick-figure faces, each representing a primary emotion: happy (slight upward mouth), sad (downward mouth), angry (tight, straight mouth), and indifferent (neutral line). The minimalist style emphasizes universal recognition of emotional cues without cultural or gender bias. Labels beneath each face ensure immediate comprehension for educational or psychological contexts.

Used in psychology education, UX design empathy mapping, mental health resources, or introductory emotional intelligence content; matches user intent to quickly grasp or teach foundational emotions.