A User Account is someone that actively manages a profile within the platform. They can manage their own profile or the profile of others.
A profile is a record of someone's information. A profile can be shared across multiple user accounts as well as being affiliated to an organization.
Key things to know
A user must have a unique email address, if the email address is used by someone else in the system, there are tools available to transfer the ownership
A user is not limited to the number of profiles it can have within their account
A profile can be shared across multiple user accounts
Please use the graphic below to help you distinguish the difference and help with your learning.