contact (nom)
Sens 1 : a physical connection: a situation in which two or more things or people
actually touch or strike against one another. [source : D'après ENC]
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Sens 2 : an interaction: a state in which somebody has access to and can be affected
or influenced by people, situations, ideas, or information. [source : D'après ENC]
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Sens 3 : the act of communicating with someone, especially regularly. [source : OAAD]