Reach refers to the total number of people who view your ad, both organically and through paid promotion. It indicates the potential audience that can be reached through your ad campaign.

Frequency is a Facebook Ads metric that shows the average number of times your ad was shown to each person in your target audience. It can help you understand how often your ad is being viewed by the same people and avoid ad fatigue.

The Clicks (All) metric on Facebook Ads shows the total number of clicks on an ad, including link clicks, reactions, comments, shares, and more.

Link Clicks is a metric that shows the number of clicks your ad received that led people to a destination on or off Facebook, such as your website.

CTR (All) is a Facebook Ads metric that measures the ratio of clicks to impressions for all ad placements. It helps to evaluate the ad's relevance to users and overall performance. A higher CTR indicates better user engagement and ad performance.

CPM (Cost Per Thousand Impressions) is the cost that an advertiser pays per thousand ad impressions on a social media platform such as Facebook. It is an important metric that helps to measure the effectiveness of ad campaigns and their reach.

CPC (All) is the average cost per click across all ad types, placements, and objectives in a Facebook Ads campaign. It shows how much an advertiser pays for each click on their ad.

The Amount Spent metric in Facebook Ads represents the total cost of all clicks, impressions, and other ad interactions that generated charges for your campaign or ad set.

Purchases is a metric in Facebook Ads that measures the number of completed transactions on your website, app or Facebook page as a result of your ad. It is a key measure of the advertising ROI and can be used to optimize your ad campaigns for increased sales and revenue.

Purchases Conversion Value is a metric that shows the total value of the purchases made by people who clicked on your Facebook ads. It helps you track the revenue generated by your ads and optimize your campaigns accordingly.

Purchase ROAS is a metric that helps measure the effectiveness of Facebook Ads campaigns based on the revenue generated compared to the money spent on the ads. It is calculated by dividing the revenue generated by the amount spent on the campaign. A high Purchase ROAS indicates a profitable campaign.

Impressions refer to the number of times an ad was displayed to a user on a social media platform like Facebook. It does not necessarily mean that the user interacted with the ad, but simply that it was shown to them.

Leads metric indicates the number of people who have shown interest in your product or service by providing their contact details through a lead form on Facebook or Instagram ad.