Official Glossary of Noctua Forest
Before you can audit campaigns, organize your catalog, or build a strategy — you need the vocabulary. The official Noctua Forest glossary and taxonomy, from the ground up.
Guidance
The Amazon ad console presents itself as a user-friendly interface, but beneath that veneer, it is a rigid, mechanical sorting system.
When an author says they are “targeting a keyword,” they might be referring to a Search Query, a Search Term, or a Keyword Target. In the algorithm, these are handled completely differently. Conflating them leads to misallocated budget and contaminated data.
Inside the Observatory, we do not guess. We treat the search bar not as a calculator, but as a dynamic linguistic system. We map the exact relationship between what a reader types and what they intend to buy, using our tests to extract clear signals from the noise.
This glossary is the technical foundation for our operations.
Jump to a term (45)
The Linguistics of Intent
Search Query · Search Term · Keyword Target · Negatives
The Taxonomy of Organization
Portfolio · Campaign · Ad-Group
The Diagnostic Metrics
DPVR (Awareness) · CTR (Consideration) · CVR (Conversion) · ROAS (Loyalty)
Advanced Execution
N-gram Analysis · Dayparting · AMC (Amazon Marketing Cloud) · DSP (Demand-Side Platform)
Glossaries:
ASIN · SERP · BSR · A+ Content · Buy Box
Targeting & Match Type
Broad Match · Phrase Match · Exact Match · Close Match (Auto) · Loose Match (Auto) · Substitutes (Auto) · Complementary (Auto) · Placement
Audience & Bidding
Segments · Lifestyle · In-Market · Dynamic Bids (Down Only) · Dynamic Bids (Up and Down) · Fixed Bids
Performance
Kindle Unlimited · KENP · KENP Rate · Royalty · Read-Through · CPC · CPM · ACOS · TACOS · NTB · Last-Touch Attribution
The Linguistics of Intent
The most common point of failure in paid media is fundamentally misreading the “Source of Traffic.” We categorize these components with clinical precision:
Search Query
The raw, human string of text the customer actually types into the search bar. This is unpredictable and unrefined intent.
Search Term
The specific combination of words the algorithm matches to that query.
Keyword Target
The exact mechanical input loaded into an ad-group to intercept the Search Term.
Negatives
The semantic boundaries we establish. By negatively targeting specific Brands, ASINs, Phrases, or Exact terms, we build “No-Fly Zones” to prevent budget bleed on irrelevant traffic.
The Taxonomy of Organization
We do not simply “run campaigns.” We organize intent through a strict hierarchy to ensure the account data remains readable at scale:
Portfolio
High-level containment used purely for budget caps and clean catalog reporting.
Campaign
The parent grouping that controls the daily budget and placement modifiers (e.g., Top of Search boosts).
Ad-Group
The child grouping within campaigns that dictates default bids and houses the specific targets and creatives.
The Diagnostic Metrics
We measure success mechanically through the stages of the Advertising Funnel. Looking at the wrong dial for the wrong stage means flying blind.
DPVR (Awareness)
Detail Page View Rate mechanically measures if the ad impression successfully drove the customer to consume the page content.
CTR (Consideration)
Clicks divided by Impressions. This gauges the semantic relevance of the ad to the search query.
CVR (Conversion)
Orders divided by Clicks. This diagnoses landing page efficacy and product alignment.
ROAS (Loyalty)
Revenue divided by Ad Spend. This measures series read-through, true efficiency, and the impact of ads on organic rank.
Advanced Execution
For the Night Owls ready to move beyond basic bidding, the Observatory utilizes enterprise frameworks to parse intent and scale efficiency:
N-gram Analysis
Grouping your search terms by word count — one word (unigram), two (bigram), three (trigram), four or more (quadgram) — to find which length actually converts. For books it is usually the trigram, where a reader has named a genre, a trope, and a qualifier in one query.
Dayparting
Concentrating ad spend strictly during the specific daily windows when a category historically converts.
AMC (Amazon Marketing Cloud)
The enterprise environment required to access hourly conversion data and map Multi-touch Attribution (MTA).
DSP (Demand-Side Platform)
The programmatic tool used to secure off-console placements across Amazon’s Owned & Operated properties (Twitch, Prime Video) and the wider web.
Glossaries:
ASIN
Amazon Standard Identification Number. The unique identifier for your product.
SERP
Search Engine Results Page. The primary battlefield where customer Queries meet your Keyword Targets.
BSR
Best Seller Rank. The ultimate velocity metric. We utilize ads specifically to manipulate BSR and secure organic positioning.
A+ Content
Enhanced brand content on a landing page. It is the primary lever for moving your Conversion Rate (CVR).
Buy Box
The “Add to Cart” or “Buy Now” section of a landing page.
Targeting & Match Type
Broad Match
The algorithm captures queries containing your target words in any order, along with additional words before, within, or after. Best for harvesting new semantic variations.
Phrase Match
The algorithm locks the sequence of your target words, only allowing additional words before or after the phrase.
Exact Match
The algorithm only triggers for the exact target or its close plural/singular variant. Used for surgical bid control.
Close Match (Auto)
Amazon matches your ad to search queries highly relevant to your metadata.
Loose Match (Auto)
Amazon matches your ad to search queries with broad, tangential relevance to your metadata.
Substitutes (Auto)
Amazon places your ad on the pages of ASINs that directly compete with yours.
Complementary (Auto)
Amazon places your ad on the pages of ASINs frequently purchased alongside yours.
Placement
The physical location of the ad: Top-of-Search (TOS), Rest-of-Search (ROS), Product Pages, or the Homepage.
Audience & Bidding
Segments
A partition of an audience grouped by shared behavioral qualities.
Lifestyle
Audience segments based on behavioral likelihoods. This carries the least direct intent but offers the most scale.
In-Market
Highly motivated customers refined by recent category browsing and firmographics.
Dynamic Bids (Down Only)
The algorithm lowers your bid in real-time for auctions mathematically unlikely to convert. This is the conservative default setting.
Dynamic Bids (Up and Down)
The algorithm can raise your bid by up to 100% for high-intent auctions. This is the aggressive scaling gear.
Fixed Bids
The algorithm uses your exact input for every auction. Used to lock down variables during account audits.
Performance
KENP
Kindle Edition Normalized Pages. The primary revenue engine for KDP Select authors.
Kindle Unlimited
Amazon’s subscription library. A borrow costs the reader nothing at the point of decision and pays the author from the KDP Select Global Fund by pages read rather than by unit sold. Critically, a borrow reports as zero sales, so it pays a royalty that the ACOS denominator cannot see.
KENP Rate
The per-page payout from the Global Fund, set monthly in arrears and historically moving in a band around $0.0040 to $0.0050. Because the fund is fixed and divided by total pages read across all participating titles, the rate is a consequence of everyone else’s readership as well as your own. Treat it as a variable you look up, never as a constant.
Royalty
What actually reaches you per unit, as distinct from list price. An ebook on the 70% tier pays 70% of list minus a delivery fee scaled to file size; the 35% tier pays 35% with no delivery deduction; paperback pays 60% of list minus print cost. Every break-even calculation starts here, because ACOS and CPC ceilings are derived from royalty rather than revenue.
Read-Through
The mathematical rate at which a customer purchases Book 2 after finishing Book 1.
CPC
Cost per Click. Assesses the financial rate at which you win targeting auctions.
CPM
Cost Per Mille (thousand impressions). The alternative billing model to CPC, typically used in high-funnel display advertising.
ACOS
Advertising Cost of Sale. Ad Spend divided by Ad Revenue. The metric for individual campaign efficiency.
TACOS
Total Advertising Cost of Sale. Total Ad Spend divided by Total Revenue. The fundamental metric for measuring account health and organic velocity.
NTB
New-to-Brand. A metric identifying if a customer has purchased from your pen name in the last 12 months. Essential for diagnosing the Loyalty phase.
Last-Touch Attribution
The standard Amazon Console model where the absolute last ad clicked receives 100% of the credit for the sale.
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Where to next
- Start Here — the archive organised by the problem you are trying to solve
- How to structure Amazon ad campaigns — where most of this vocabulary gets used
- The Amazon ads funnel, four stages — where DPVR, CTR, CVR and ROAS actually sit
- Campaign naming and taxonomy — the structure these terms describe
- Free account audit — the audit is written in this vocabulary

