What does the term attribution mean when used to describe an advertising-related occurrence?

Attribution means determining the cost of each asset used in a marketing campaign.
Attribution means determining how much credit to award a client for their referral.
Attribution means determining how much credit each step of a process should receive.
Attribution means determining how much cost each channel requires.

The correct answer is:

Attribution means determining how much credit each step of a process should receive.

Sources: Google Ads Measurement Certification Assessment Course

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