Ad Groups:
An ad group contains one or more ads that share similar targets.Each of your campaigns is made up of one or more ad groups.

Campaign:

 A set of ad groups (ads, keywords, and bids) that share a budget, location targeting, and other settings. Campaigns are often used to organize categories of the products or services that you offer. 

Conversion:
When someone interacts with your ad (for instance, clicks on a text ad or views a video ad) an action is taken that you’ve defined as valuable to your business, such as an online purchase or a call to your business from a mobile phone. 

Conversion rate:
The average number of conversions per ad interaction, shown as a percentage.

Cost per click (CPC):
It means that you pay for each click on your ads. For CPC bidding campaigns, you set a maximum cost-per-click bid - or simply "max. CPC" - that's the highest amount that you're willing to pay for a click on your ad (unless you're setting bid adjustments, or using Enhanced CPC). 

Click:
When someone clicks on your ad, or on the blue headline of a text ad, Google Ads counts that as a click. 

Click through rate (CTR):
A ratio showing how often people who see your ad end up clicking it. Clickthrough rate (CTR) can be used to gauge how well your keywords and ads are performing. 

Impressions:
The number of times that your ad is shown. An impression is counted each time your ad is shown on a search result page or other site on the Google Network.

Keywords:
Words or phrases describing a product or service that you choose to help determine when and where your ad can appear. 

Quality Score:
It measures the quality of your ads, keywords and landing pages. Higher quality ads can lead to lower prices and better ad positions. 

Synapse Ads:
Synapse Ads is a set of tools designed to help you and your team save time when you create and manage your Google Ads campaigns. 

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