A "Contact List" is a collection of names and information about individuals or organizations that a person or business may need to reach out to. This list typically includes details such as phone numbers, email addresses, and physical addresses, making it easier to communicate with others. Contact lists can be maintained in various formats, including digital spreadsheets, mobile apps, or traditional paper notebooks. They are essential for personal networking, business communications, and managing relationships with friends, family, clients, and colleagues. Keeping an updated contact list helps ensure that important connections are easily accessible.