Every search results page has two kinds of results: ads (paid) and organic listings (unpaid). Understanding the differences shapes how you allocate budget and effort.
A typical commercial query returns: 2-4 paid ads at the top, a local pack (if relevant), AI Overview (if Google deems it useful), and 10 organic listings, plus People Also Ask and related features.
Pros: free clicks; trust advantage (users skip ads); compounding returns; covers broad keyword portfolios.
Cons: slow to materialize (3-18 months); zero guarantees of ranking; algorithm-dependent.
Pros: instant traffic; full control over targeting; measurable immediately; can dominate competitive queries where ranking organically is hard.
Cons: you pay per click forever; ad blindness reduces CTR; becomes unprofitable at some ad cost.
Average click-through rates by position:
Implication: #1 organic beats the ad slots on CTR for most query types.