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Glossary & Acronyms

ACOS

Advertising Cost of Sales. Ad spend divided by ad-attributed sales. Use it to judge ad efficiency.

Related pages: search this repo for [[ACOS]].

TACOS

Total Advertising Cost of Sales. Ad spend divided by total sales. Use it to judge business-level ad impact.

Related pages: search this repo for [[TACOS]].

ROAS

Return on Ad Spend. Ad sales divided by ad spend. Higher is usually better.

Related pages: search this repo for [[ROAS]].

CTR

Click-through rate. Clicks divided by impressions. It tells you if shoppers are interested enough to click.

Related pages: search this repo for [[CTR]].

CVR

Conversion rate. Orders divided by clicks. It tells you if shoppers buy after clicking.

Related pages: search this repo for [[CVR]].

CPC

Cost per click. Ad spend divided by clicks.

Related pages: search this repo for [[CPC]].

SP

Sponsored Products. Ads for individual products on Amazon.

Related pages: search this repo for [[SP]].

SB

Sponsored Brands. Brand-focused ads that may show product collection, store spotlight, or video creative.

Related pages: search this repo for [[SB]].

SD

Sponsored Display. Display ads using contextual or audience targeting.

Related pages: search this repo for [[SD]].

DSP

Demand Side Platform. Amazon programmatic ads for display, video, audio, OTT, retargeting, and prospecting.

Related pages: search this repo for [[DSP]].

AMC

Amazon Marketing Cloud. A clean-room analytics tool for advanced attribution and audience analysis.

Related pages: search this repo for [[AMC]].

Search Term

The actual shopper query that triggered an ad.

Related pages: search this repo for [[Search Term]].

Keyword

The word or phrase the advertiser bids on in a manual keyword campaign.

Related pages: search this repo for [[Keyword]].

Negative Keyword

A term blocked from triggering ads.

Related pages: search this repo for [[Negative Keyword]].

Placement Modifier

A bid adjustment for placements like Top of Search or Product Pages.

Related pages: search this repo for [[Placement Modifier]].

Portfolio

A grouping container for campaigns, often used for budget or P&L organization.

Related pages: search this repo for [[Portfolio]].

Buy Box

The offer position that lets shoppers add to cart quickly. Sponsored Products generally depend on offer eligibility.

Related pages: search this repo for [[Buy Box]].