What is the difference between profile and user in Salesforce?

<div data-md="61" lang="en-IN"><div aria-level="3" role="heading" data-attrid="wa:/description" data-hveid="CAwQAQ">A user is anyone who logs in to Salesforce. Users are employees at your company, such as sales reps, managers, and IT specialists, who need access to the company's records.</div><div aria-level="3" role="heading" data-attrid="wa:/description" data-hveid="CAwQAQ">Profile settings determine what users can see (control the visibility of objects, tabs, CRUD, fields) and do with objects.

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