User Identification (User ID)
Definition - What does User Identification (User ID) mean?
User identification (user ID) is a logical entity used to identify a user on a software, system, website or within any generic IT environment. It is used within any IT enabled system to identify and distinguish between the users who access or use it.
A user ID may also be termed as username or user identifier.
Techopedia explains User Identification (User ID)
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