# AI Video & Faceless YouTube Glossary > Definitions for every term in the faceless video and AI YouTube ecosystem. From Reddit story videos to ad revenue share, with examples and cross-links. Canonical: https://faceless.so/glossary Definitions for every term in the faceless video and AI YouTube ecosystem. From Reddit story videos to ad revenue share, with examples and cross-links. All-in-one workflow ## Faceless is the AI tool for daily faceless content workflows. Native auto-publishing to YouTube, TikTok, and Instagram. Reddit, blog, and tweet URL imports. Voice cloning and series automation, included on every paid plan starting at $29/month. Time-to-first-render 47s Starting price $29/mo ElevenLabs voices 50+ Source-content imports Reddit, blog, tweet Auto-publishes to ![YouTube](https://www.google.com/s2/favicons?domain=youtube.com&sz=64) YouTube ![TikTok](https://www.google.com/s2/favicons?domain=tiktok.com&sz=64) TikTok ![Instagram](https://www.google.com/s2/favicons?domain=instagram.com&sz=64) Instagram ![X](https://www.google.com/s2/favicons?domain=x.com&sz=64) X ![Facebook](https://www.google.com/s2/favicons?domain=facebook.com&sz=64) Facebook ![LinkedIn](https://www.google.com/s2/favicons?domain=linkedin.com&sz=64) LinkedIn ![Threads](https://www.google.com/s2/favicons?domain=threads.net&sz=64) Threads [Start with Faceless](https://faceless.so/projects) Overview Faceless content has its own vocabulary — half borrowed from broadcast, half invented for AI workflows. This glossary collects definitions for the terms that show up most across creator communities, with concrete examples and cross-links to related concepts. Every entry includes a one-sentence TL;DR, a longer explanation with examples, common use cases in faceless workflows, and answers to the questions creators ask most. Terms are grouped by category below for easier browsing. ## Analytics5 [ Analytics ### What is Audience retention? Definition + Examples Audience retention measures how long viewers stay engaged with a video, impacting its performance and visibility. GlossaryRead more ](https://faceless.so/glossary/audience-retention)[ Analytics ### What is Content velocity? Definition + Examples Content velocity is the rate at which new content is produced and published over a specific time period. GlossaryRead more ](https://faceless.so/glossary/content-velocity)[ Analytics ### What is Hook rate? Definition + Examples Hook rate measures the percentage of viewers who continue watching after the first few seconds of a video. GlossaryRead more ](https://faceless.so/glossary/hook-rate)[ Analytics ### What is Watch time decay? Definition + Examples Watch time decay refers to the decline in viewer engagement over time on a video or channel. GlossaryRead more ](https://faceless.so/glossary/watch-time-decay)[ Analytics ### What is Watch time? Definition + Examples Watch time is the total amount of time viewers spend watching a video or channel. GlossaryRead more ](https://faceless.so/glossary/watch-time) ## Assets2 [ Assets ### What is Pexels? Definition + Examples Pexels is a free stock photo and video platform offering high-quality media for personal and commercial use. GlossaryRead more ](https://faceless.so/glossary/pexels)[ Assets ### What is Stock footage? Definition + Examples Stock footage is pre-recorded video content available for licensing and use in various media projects. GlossaryRead more ](https://faceless.so/glossary/stock-footage) ## Audio5 [ Audio ### What is AI voiceover? Definition + Examples AI voiceover uses artificial intelligence to generate human-like speech for videos, presentations, and other media. GlossaryRead more ](https://faceless.so/glossary/ai-voiceover)[ Audio ### What is Lip-sync? Definition + Examples Lip-sync matches spoken audio to a character's mouth movements in video production. GlossaryRead more ](https://faceless.so/glossary/lip-sync)[ Audio ### What is Suno? Definition + Examples Suno is an AI-based audio tool used for generating realistic voiceovers and sound effects in faceless videos. GlossaryRead more ](https://faceless.so/glossary/suno)[ Audio ### What is TTS? Definition + Examples TTS, or Text-to-Speech, converts written text into spoken audio using AI-generated voices. GlossaryRead more ](https://faceless.so/glossary/tts)[ Audio ### What is Voice cloning? Definition + Examples Voice cloning is the process of creating a digital replica of a human voice using AI technology. GlossaryRead more ](https://faceless.so/glossary/voice-cloning) ## Channel Strategy8 [ Channel Strategy ### What is Channel clone? Definition + Examples A channel clone replicates another channel's content strategy, style, or format on platforms like YouTube or TikTok. GlossaryRead more ](https://faceless.so/glossary/channel-clone)[ Channel Strategy ### What is Content calendar? Definition + Examples A content calendar is a schedule that organizes and plans content publication across various platforms. GlossaryRead more ](https://faceless.so/glossary/content-calendar)[ Channel Strategy ### What is Evergreen content? Definition + Examples Evergreen content remains relevant and valuable over time, attracting consistent traffic long after its initial publication. GlossaryRead more ](https://faceless.so/glossary/evergreen-content)[ Channel Strategy ### What is Faceless YouTube channel? Definition + Examples A YouTube channel that uses AI-generated videos without showing the creator's face or personal identity. GlossaryRead more ](https://faceless.so/glossary/faceless-youtube-channel)[ Channel Strategy ### What is Faceless niche? Definition + Examples A faceless niche involves creating video content without showing the creator's face, focusing on voiceovers, animations, or stock footage. GlossaryRead more ](https://faceless.so/glossary/faceless-niche)[ Channel Strategy ### What is Niche down? Definition + Examples Niche down means focusing content on a specific, targeted segment to attract a dedicated audience. GlossaryRead more ](https://faceless.so/glossary/niche-down)[ Channel Strategy ### What is Niche saturation? Definition + Examples Niche saturation occurs when a market segment becomes overcrowded with similar content, reducing visibility and engagement. GlossaryRead more ](https://faceless.so/glossary/niche-saturation)[ Channel Strategy ### What is Niche validation? Definition + Examples Niche validation is the process of confirming a specific market segment's demand for content or products. GlossaryRead more ](https://faceless.so/glossary/niche-validation) ## Editing2 [ Editing ### What is Brand kit? Definition + Examples A brand kit is a collection of visual and stylistic elements representing a brand's identity. GlossaryRead more ](https://faceless.so/glossary/brand-kit)[ Editing ### What is Captions? Definition + Examples Captions are text overlays on videos that transcribe spoken dialogue or provide additional context. GlossaryRead more ](https://faceless.so/glossary/captions) ## Format3 [ Format ### What is Reddit story video? Definition + Examples A Reddit story video is a video that narrates or visualizes stories or discussions from Reddit threads. GlossaryRead more ](https://faceless.so/glossary/reddit-story-video)[ Format ### What is TikTok video? Definition + Examples A TikTok video is a short-form video, typically 15 to 60 seconds, created and shared on the TikTok platform. GlossaryRead more ](https://faceless.so/glossary/tiktok-video)[ Format ### What is YouTube Shorts? Definition + Examples YouTube Shorts are short, vertical videos up to 60 seconds, designed for quick consumption on mobile devices. GlossaryRead more ](https://faceless.so/glossary/youtube-shorts) ## Generation3 [ Generation ### What is AI music video? Definition + Examples An AI music video is a video created using artificial intelligence to visualize music tracks, often without human actors. GlossaryRead more ](https://faceless.so/glossary/ai-music-video)[ Generation ### What is Auto-publishing? Definition + Examples Auto-publishing automates the posting of content to platforms like YouTube, TikTok, and Instagram at scheduled times. GlossaryRead more ](https://faceless.so/glossary/auto-publishing)[ Generation ### What is Text-to-video? Definition + Examples Text-to-video converts written content into video format using AI, adding visuals, voiceovers, and animations. GlossaryRead more ](https://faceless.so/glossary/text-to-video) ## Monetization6 [ Monetization ### What is Ad revenue share? Definition + Examples Ad revenue share is the distribution of advertising earnings between platforms and content creators. GlossaryRead more ](https://faceless.so/glossary/ad-revenue-share)[ Monetization ### What is Affiliate revenue? Definition + Examples Earnings generated by promoting products or services, earning a commission for each sale or action completed through unique affiliate links. GlossaryRead more ](https://faceless.so/glossary/affiliate-revenue)[ Monetization ### What is CPM? Definition + Examples CPM stands for Cost Per Mille, which is the cost per 1,000 ad impressions. GlossaryRead more ](https://faceless.so/glossary/cpm)[ Monetization ### What is Monetization policy? Definition + Examples A set of rules governing how users can earn revenue from their content on a platform. GlossaryRead more ](https://faceless.so/glossary/monetization-policy)[ Monetization ### What is RPM? Definition + Examples RPM stands for Revenue Per Mille, measuring ad revenue per 1,000 video views. GlossaryRead more ](https://faceless.so/glossary/rpm)[ Monetization ### What is Sponsorship? Definition + Examples Sponsorship involves a brand financially supporting a creator in exchange for promotion or advertising within their content. GlossaryRead more ](https://faceless.so/glossary/sponsorship) ## Platforms3 [ Platforms ### What is For You Page? Definition + Examples The For You Page is a personalized content feed on TikTok, tailored to users' interests and interactions. GlossaryRead more ](https://faceless.so/glossary/for-you-page)[ Platforms ### What is TikTok algorithm? Definition + Examples The TikTok algorithm determines which videos appear on a user's For You page based on engagement and user behavior. GlossaryRead more ](https://faceless.so/glossary/tiktok-algorithm)[ Platforms ### What is YouTube Shorts algorithm? Definition + Examples The YouTube Shorts algorithm determines which short videos to recommend to users based on engagement and viewing patterns. GlossaryRead more ](https://faceless.so/glossary/youtube-shorts-algorithm) ## Storytelling2 [ Storytelling ### What is Cold open? Definition + Examples A cold open is a scene at the start of a video that jumps directly into the story before the main title sequence. GlossaryRead more ](https://faceless.so/glossary/cold-open)[ Storytelling ### What is Hook (video)? Definition + Examples A hook is the opening segment of a video designed to grab viewers' attention and encourage them to keep watching. GlossaryRead more ](https://faceless.so/glossary/hook-video) ## Ready to Create Your Own Videos? Start creating amazing AI-powered faceless videos in minutes with Faceless [Start my channel](https://faceless.so/projects)[View Pricing](https://faceless.so/pricing) Free to sign upPlans from $29/moCancel anytime