1. In companies, the contact is the area or form dedicated to offering the support service to its clients. Also called technical contact.

2. In the address book, a contact is an individual entity (person or company) with a unique name, address, telephone number (among other data).

3. In instant messaging, contacts are each of the users that are linked to a user’s messaging account. For example, in MSN Messenger, each of the friends and colleagues that a user has in his account.

4. In electronics, link between two conductive elements.