Marketing & Advertising Glossary
From CPM to programmatic, every term in advertising and media buying explained in plain English.
MRAID
BuyingMRAID is a standardised framework enabling rich, interactive ad experiences within mobile apps. It allows ads to expand, play video, and access device features
Macro vs Micro Spot Lengths
TV & BroadcastMacro spots are longer TV advertisements (10-60 seconds), whilst micro spots are brief placements (1-5 seconds). Each serves different campaign objectives and b
Make-Good (TV)
TV & BroadcastA free replacement broadcast or advertising spot offered by a TV station when an originally scheduled ad fails to air or underperforms.
Market Segmentation
StrategyMarket segmentation is the process of dividing a broad market into distinct groups of consumers with similar needs, behaviours, or characteristics.
Marketing Automation
AIMarketing automation uses software to automatically manage repetitive marketing tasks, nurturing leads and personalising customer journeys at scale.
Masthead
Print & PublishingThe masthead is the section of a newspaper or magazine that displays the publication's name, logo, and key publication information, typically appearing on the fro
Mechanical Data (Print)
Print & PublishingTechnical specifications for print advertisements including dimensions, resolution, and file formats required by publishers for correct production and placement
Media Kit (Press Kit)
Print & PublishingA comprehensive marketing document that publishers provide to advertisers, detailing audience demographics, circulation figures, advertising rates, and availabl
Media Kit
Media KitsA media kit is a document publishers provide to advertisers outlining ad placements, pricing, audience data, and specifications available on their platform.
Meta Description
On-Page SEOAn HTML element that summarises page content in 150-160 characters, displayed under the page title in search results to improve click-through rates.
Meta Tags
TrackingHTML code snippets that provide metadata about a webpage to search engines and browsers, controlling how pages appear in search results and on social media.
Micro-Influencer
Social MediaContent creators with 10,000–100,000 followers who build engaged communities. They offer authentic brand partnerships at lower costs than macro-influencers.
Mid-Roll (Audio)
PodcastsAdvertisement placed in the middle of a podcast episode, typically between 15-60 seconds. Mid-roll ads reach engaged listeners at optimal attention points durin
Midjourney
AIMidjourney is an AI tool that generates high-quality images from text descriptions, widely used by marketers for creative asset production.
Minification & Bundling
Web & TechnologyTechniques that reduce website file sizes by removing unnecessary code and combining files, improving load speeds and user experience.
Minutage Cap (Ofcom)
UK RegulationOfcom's limit on the amount of advertising airtime broadcasters can transmit per hour, set to protect viewers from excessive commercial breaks on UK television.
Mixture of Experts
AIA neural network architecture that routes different inputs to specialized sub-networks (experts) for improved efficiency and performance.
Mobile Billboard
BillboardsAdvertising displayed on vehicles that move through populated areas, providing dynamic, high-reach out-of-home exposure across UK cities and towns.
Mobile-First Design
Landing PagesA design approach that prioritises mobile devices as the primary platform, building websites and landing pages from mobile upwards rather than adapting desktop
Modelled Conversions
AttributionEstimated conversions attributed to touchpoints where direct measurement isn't possible, using statistical models to fill data gaps.
Mono vs Full Colour Rate
Print & PublishingPricing structure for print advertising where mono (black & white) rates are lower than full colour rates, reflecting production costs and perceived premium val
Mood Targeting (Audio)
Radio & AudioAudio targeting that places ads based on listener mood, emotional state, or contextual listening situation rather than demographics alone.
Multi-Touch Attribution
AttributionA method that credits multiple touchpoints across a customer's journey rather than attributing all credit to a single interaction, providing a more accurate vie
Multimodal AI
AIAI systems that process and understand multiple types of data (text, images, video, audio) simultaneously to make informed decisions.
Multiplex Advertising
CinemaAdvertising across multiple cinema screens or multiplex venues simultaneously, reaching audiences at scale across different locations and showtimes.