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Glossary

Definitions of marketing metrics, technical terms, and platform-specific terminology.

Metrics

CPA (Cost Per Acquisition)

Total ad spend divided by the number of conversions. Formula: CPA = Total Spend ÷ Conversions. Lower is better.

ROAS (Return on Ad Spend)

Revenue generated per dollar of ad spend. Formula: ROAS = Revenue ÷ Ad Spend. A ROAS of 4:1 means $4 revenue per $1 spent.

CTR (Click-Through Rate)

Percentage of impressions that resulted in a click. Formula: CTR = (Clicks ÷ Impressions) × 100.

CPC (Cost Per Click)

Average cost for each click on your ad. Formula: CPC = Total Spend ÷ Clicks.

CPM (Cost Per Mille)

Cost per 1,000 impressions. Formula: CPM = (Total Spend ÷ Impressions) × 1,000. Used for brand awareness campaigns.

Impressions

Number of times your ad was displayed to users. Each view counts as one impression, regardless of whether the user interacted.

Conversions

Number of desired actions completed by users after seeing/clicking your ad. Examples: purchases, signups, form submissions.

AI

AI Autonomy Level

A 0–3 scale controlling how much freedom the AI has. Level 0 = manual approval, Level 3 = fully autonomous.

Heuristic

A rule-based optimization strategy that works without ML. Example: "pause campaigns with ROAS < 1.5x after $100 spend."

Testing

Probability to Beat Control (PTB)

In Bayesian A/B testing, the probability that the variant performs better than the control. ≥95% is a strong signal.

Expected Loss

In A/B testing, the expected cost if you choose the wrong winner. Below $1.00 is considered very safe.

Bayesian A/B Testing

A statistical approach that gives probability of one variant being better, rather than frequentist p-values. Allows peeking without penalty.

Compliance

DPDP Act

India's Digital Personal Data Protection Act 2023. Requires consent management, data localization, and data principal rights.

GDPR

General Data Protection Regulation (EU). Requires lawful basis for processing, data subject rights, and breach notification.

CCPA/CPRA

California Consumer Privacy Act / California Privacy Rights Act. Requires "Do Not Sell" option and data access rights.

DSR (Data Subject Request)

A request from an individual to exercise their privacy rights (access, correction, deletion, portability).

SOC 2

Service Organization Control 2. An auditing framework for service providers storing customer data in the cloud. Covers security, availability, processing integrity, confidentiality, and privacy.

Technical

OAuth

An authorization protocol used to connect ad platforms. Scalegrowth never stores your ad platform password — only access tokens.

JWT (JSON Web Token)

Token format used for API authentication. Access tokens expire in 15 minutes; refresh tokens in 7 days.

API Key

A secret key for programmatic access to the Scalegrowth API. Prefixed with sg_live_ (production) or sg_test_ (testing).

Webhook

An HTTP callback that Scalegrowth sends to your server when events occur (new lead, campaign change, AI action).

RBAC

Role-Based Access Control. Users are assigned roles (Viewer, Member, Manager, Admin, Owner) that determine their permissions.

Advertising

Dayparting

Adjusting ad bids based on time of day. Increase bids during high-conversion hours, decrease during low-conversion hours.

Lookalike Audience

A targeting method where the ad platform finds users similar to your existing customers. Available on Meta and Google.

Retargeting

Showing ads to users who previously visited your website or engaged with your content.

Ad Set / Ad Group

A container for ads within a campaign. Controls targeting, budget, and scheduling. Called "Ad Set" on Meta and "Ad Group" on Google.