60+ Google Ads Terms Explained

Google Ads Glossary

Clear, jargon-free explanations of every Google Ads metric, feature, and strategy. From Quality Score to Performance Max—everything you need to know.

60+
Terms Defined
7
Categories
2026
Updated

CC

Clicks

The number of times users click on your ad, counting each interaction that sends them to your website or triggers a call.

Metrics & KPIs

Conversion Goals

Account-level or campaign-level settings that define which conversion actions are used for bidding optimization (Primary) vs observation only (Secondary).

Tracking

Conversion Rate

The percentage of ad clicks that result in a conversion (purchase, lead, signup, etc.), calculated as conversions divided by clicks.

Metrics & KPIs

Conversion Tracking

A free tool that measures valuable actions users take after clicking your ads, such as purchases, sign-ups, or phone calls.

Tracking

Conversion Window

The period of time after an ad interaction (click or view) during which a conversion is tracked and attributed to that ad.

Tracking

Cost

Total amount spent on clicks or impressions in your Google Ads campaign, calculated as sum of all costs accrued during selected time period.

Metrics & KPIs

CPA (Cost Per Acquisition)

The average cost to acquire one conversion (customer, lead, signup), calculated as total ad spend divided by total conversions.

Metrics & KPIs

CPC (Cost Per Click)

The amount you pay each time someone clicks your ad, calculated as total cost divided by total clicks.

Metrics & KPIs

CTR (Click-Through Rate)

The percentage of people who click your ad after seeing it, calculated as clicks divided by impressions.

Metrics & KPIs

Custom Segments

Create custom audiences by entering keywords, URLs, or apps related to your product—Google finds users with matching interests.

Targeting

Customer Match

Upload your customer email/phone lists to Google Ads to target existing customers or create lookalike audiences.

Targeting

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