Glossary · Updated: November 2026
By Stephan M. Czaja, owner of ONE Agency

Marketing Glossary: 30 Terms from ROAS to Touchpoint

Important marketing terms explained simply, with formula, example and common mistakes.

  • A/B test: An A/B test compares two variants, for example of an ad or page, under otherwise equal conditions to see which performs better.
  • Attribution: Attribution is the assignment of a success (for example a purchase) to the marketing touchpoints before it.
  • Average order value (AOV): Average order value (AOV) is the mean revenue per order.
  • Brand awareness: Brand awareness describes how many people in a target group know a brand.
  • Brand lift study: A brand lift study measures through surveys how awareness, recall or purchase intent change due to a campaign, usually comparing a group exposed to the advertising with one that was not.
  • CAC (customer acquisition cost): CAC (customer acquisition cost) is the average cost of winning a new customer.
  • Churn: The churn rate is the share of customers who end the business relationship in a period.
  • Conversion rate: The conversion rate is the share of visitors who take a desired action, for example buying or submitting a form.
  • CPA: CPA (cost per acquisition or cost per action) is the cost of a defined conversion, for example a purchase or an enquiry.
  • CPC: CPC (cost per click) is the average cost of one click on an ad.
  • CPM: CPM (cost per mille) is the cost of 1,000 ad impressions.
  • CTR (click-through rate): CTR (click-through rate) is the share of ad impressions that lead to a click.
  • Customer journey: The customer journey is a customer’s path across all touchpoints with a brand, from first awareness through purchase and beyond.
  • DOOH (digital out-of-home): DOOH (digital out-of-home) is digital outdoor advertising on screens in public spaces whose content can be scheduled and changed.
  • Frequency: Frequency states how often a person has seen an ad on average.
  • GRP (gross rating point): GRPs (gross rating points) measure advertising pressure: they add up the percentages of the target group reached across all contacts of a campaign.
  • Impression: An impression is a single display of an ad or piece of content on a screen.
  • KPI: A KPI (key performance indicator) is a metric used to measure progress toward a goal.
  • Landing page: A landing page is the page visitors arrive on after clicking an ad or link, built around one goal.
  • Lead: A lead is a contact with recognisable interest who has left their details, for example via a form or an enquiry.
  • Lookalike audience: A lookalike audience consists of people similar to your existing customers or prospects.
  • LTV (customer lifetime value): LTV (customer lifetime value) is the profit a customer contributes over the whole duration of the relationship.
  • Marketing funnel: The marketing funnel describes the stages a prospect passes through until purchase, usually awareness, consideration and purchase.
  • Marketing ROI: Marketing ROI (return on investment) relates the profit from marketing activities to their cost.
  • Programmatic advertising: Programmatic advertising is the automated buying and selling of ad space in real time via platforms, usually by auction.
  • Reach: Reach states how many different people have seen an ad or piece of content at least once.
  • Retargeting: Retargeting addresses people again who have already had contact with your brand, for example website visitors or cart abandoners.
  • ROAS: ROAS (return on ad spend) measures how much revenue each euro of ad budget generates.
  • SEA (paid search): SEA (search engine advertising) means paid ads in search results, billed per click or impression.
  • SEO: SEO (search engine optimisation) covers all measures that make a website easier to find in unpaid search results.
  • Share of voice: Share of voice is the share of your own advertising presence (for example ad spend or reach) in the total advertising presence of a category.
  • Touchpoint: A touchpoint is any point of contact between customer and brand, such as an ad, website, email, store or customer service.
  • UTM parameters: UTM parameters are additions to a URL (for example utm_source, utm_medium, utm_campaign) that make the origin of visitors visible in web analytics.

New to the topic? Start with the marketing basics in 7 steps.

Related: marketing calculators, marketing templates and the ad archive.

Frequently asked questions

What is the marketing glossary?
A collection of important marketing terms with definition, formula, example and common mistakes.
Are the example numbers industry values?
No. Example values are arbitrary and only illustrate the calculation.
Can I suggest terms?
Yes, via the contact form.

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