Paul Ekman
Definition.com
A Display rule is a rule stating that while emotional expression is universal, there are socially learned, culturally differentiated rules for who is allowed to show which emotion to whom in what kind of social context.
Definition.com
A Display rule is a rule which determines who's allowed to show what expression in what kind of social context (like a 'good' loser of a sporting event).
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A Facial expression is universal when an individual is unobserved, but, when in public, some, like the Japanese, mask negative expressions.
Definition.com
The Micro expression is a universal language, indicators that are used by all cultural groups.
Definition.com
The Micro expression is expressive of these feelings: Disgust, anger, fear, sadness, happiness, contempt, surprise, amusement, embarrassment, anxiety, guilt, pride, relief, contentment, pleasure, and shame.
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The Micro expression occurs when a person is consciously trying to conceal all signs of how he or she is feeling.
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A Refractory state is a brief psychological state , for example when we are angry, characterized by our thinking being unable to incorporate information that does not fit, maintain, or justify the emotion we are feeling.