Marketing & Advertising Glossary
From CPM to programmatic, every term in advertising and media buying explained in plain English.
RAJAR Ratings
UK RegulationRAJAR is the official UK radio audience measurement system that tracks listening figures across commercial and BBC stations, essential for media planning and ad
Radio Jingle
Radio & AudioA short, memorable musical composition or jingle used in radio advertising to enhance brand recall and create emotional connection with listeners.
Radio Reach & Frequency
Radio & AudioReach and frequency are two core metrics measuring how many people hear your radio ad (reach) and how often they hear it (frequency).
Radio Roadshow
Radio & AudioA mobile promotional tour where radio stations broadcast live from different venues across the UK, combining on-air content with in-person brand activations and
Radio Sponsorship
Radio & AudioA radio advertising format where brands attach their name to specific programmes or segments, building association with content and audiences.
Rate Card
Rate CardsA rate card is a document listing media outlet prices and specifications for advertising placements and packages.
Rate Limiting
AIRate limiting controls how many requests an application can make to an API within a specific time period to prevent overload.
Reach
Out-of-HomeThe total number of unique individuals exposed to an out-of-home advertisement during a specific campaign period.
Reach vs Impressions
Social MediaReach is the total number of unique people seeing your content; impressions are the total number of times content is displayed, regardless of uniqueness.
Real-Time Bidding (RTB)
BuyingAn automated auction system where advertisers bid in real-time for individual ad impressions, with winning bids displayed instantly to users.
Real-Time Bidding
Digital & ProgrammaticReal-time bidding is an automated auction process where advertisers bid on individual ad impressions instantly as they become available.
Recency Effect (Cinema)
CinemaThe tendency for audiences to recall cinema ads seen recently more vividly than older exposures, influencing campaign timing and frequency strategies.
Recommendation Engine
AIAn AI system that predicts and suggests products, content, or ads most likely to interest individual users based on their behaviour and preferences.
Regional Split Run
Print & PublishingA print advertising technique that delivers different creative versions to specific geographic regions within a single publication issue, enabling localised mes
RLHF
AIA machine learning technique where AI models are trained using human feedback to improve accuracy, safety, and relevance in marketing applications.
Responsible AI
AIResponsible AI refers to the ethical development and deployment of artificial intelligence systems that are transparent, fair, and accountable in advertising and media buying.
Responsive Design
Landing PagesA web design approach that automatically adjusts layout and content to fit any screen size, from mobile phones to desktop monitors.
Responsive Web Design
Landing PagesA web design approach that adapts content and layout automatically to different screen sizes, from mobiles to desktops, ensuring optimal user experience across
Retail OOH (Shopping Centre)
Out-of-HomeAdvertising space in UK shopping centres and retail destinations, targeting consumers during shopping trips. High-traffic, location-based OOH format ideal for f
Retargeting
AudienceRetargeting shows ads to users who've previously visited your website or engaged with your brand, keeping you top-of-mind as they browse elsewhere online.
ROAS
MetricsROAS measures how much revenue you generate for every pound spent on advertising.
Return on Ad Spend (ROAS)
MetricsReturn on Ad Spend (ROAS) measures revenue generated for every pound spent on advertising. It's a key performance indicator for evaluating campaign profitabilit
Rich Media Ad
BuyingInteractive digital advertisements with embedded video, animation, or user engagement features that go beyond static display ads to capture attention and drive
Right-Hand Page (RHP)
NewspapersThe right-hand page of a newspaper spread, traditionally commanding premium advertising rates due to higher reader engagement and visibility.
Roadside Advertising
BillboardsLarge advertisements displayed on billboards positioned along roadsides and highways to reach drivers and passengers in transit.
Robotic Process Automation
AISoftware automation that mimics human actions to execute repetitive marketing and media buying tasks with minimal human intervention.
Robots.txt
Technical SEOA text file that tells search engine crawlers which pages to index and which to avoid, controlling how bots access your website.
Run of Paper (ROP)
NewspapersRun of Paper (ROP) is a newspaper advertising placement where your ad appears anywhere within the publication at the publisher's discretion, typically at a lowe
Run of Week (ROW)
Radio & AudioRun of Week (ROW) is a radio advertising package where your ads are scheduled across an entire week at the station's discretion, offering lower costs than fixed