--- title: "Platform Concepts Terms Explained | Postpone" canonical_url: "https://www.postpone.app/social-media-glossary/category/platform-concepts" last_updated: "2026-10-08T07:16:31.466Z" meta: description: "How the platforms themselves work: algorithms, feeds, shadowbans, verification, the For You Page and the mechanics every network shares." "og:description": "How the platforms themselves work: algorithms, feeds, shadowbans, verification, the For You Page and the mechanics every network shares." "og:title": "Platform Concepts Terms Explained" "twitter:description": "How the platforms themselves work: algorithms, feeds, shadowbans, verification, the For You Page and the mechanics every network shares." "twitter:title": "Platform Concepts Terms Explained" --- # Platform Concepts Terms How the platforms themselves work: algorithms, feeds, shadowbans, verification, the For You Page and the mechanics every network shares. ## **A** **1 term** [**Algorithm****Platform Concepts** An algorithm is the software that decides which content each user sees in their feed, based on signals like engagement, relevance and past behavior.**Read definition → **](https://www.postpone.app/social-media-glossary/algorithm) ## **B** **1 term** [**Bio****Platform Concepts** A bio is the short text description on a social media profile that tells visitors who you are, what you do and why they should follow you.**Read definition → **](https://www.postpone.app/social-media-glossary/bio) ## **C** **2 terms** [**Collab Post****Platform Concepts** A collab post is a single post shared jointly by two accounts that appears on both profiles and pools the likes, comments and views.**Read definition → **](https://www.postpone.app/social-media-glossary/collab-post) [**Crosspost****Platform Concepts** A crosspost is the same piece of content shared across multiple social media platforms or communities, either at once or adapted for each audience.** Read definition → **](https://www.postpone.app/social-media-glossary/crosspost) ## **F** **4 terms** [**Fediverse****Platform Concepts** The Fediverse is a network of decentralized social platforms that talk to each other through open protocols, so users on one can interact with users on another.**Read definition → **](https://www.postpone.app/social-media-glossary/fediverse) [**Feed****Platform Concepts** A feed is the stream of content a user scrolls through when they open a social platform, either curated by an algorithm or shown chronologically.** Read definition → **](https://www.postpone.app/social-media-glossary/feed) [**Flair (Reddit)****Platform Concepts** Flair is a colored tag on Reddit that labels a post by topic or identifies a user within a specific subreddit.** Read definition → **](https://www.postpone.app/social-media-glossary/flair-reddit) [**For You Page (FYP)****Platform Concepts** The For You Page, or FYP, is TikTok's main algorithmic feed, which surfaces videos based on each user's watch behavior rather than who they follow.** Read definition → **](https://www.postpone.app/social-media-glossary/for-you-page) ## **H** **2 terms** [**Handle****Platform Concepts** A handle is the unique username, preceded by @, that identifies an account on a social platform, like @postpone or @jack.**Read definition → **](https://www.postpone.app/social-media-glossary/handle) [**Hashtag****Platform Concepts** A hashtag is a word or phrase preceded by the # symbol that categorizes content and makes it discoverable to people searching or following that topic.** Read definition → **](https://www.postpone.app/social-media-glossary/hashtag) ## **L** **1 term** [**Link in Bio****Platform Concepts** A link in bio is the clickable URL placed in a social media profile's bio section, often the only external link the platform allows.**Read definition → **](https://www.postpone.app/social-media-glossary/link-in-bio) ## **P** **2 terms** [**PFP (Profile Picture)****Platform Concepts** PFP, short for profile picture, is the image displayed on a user's social media profile that serves as their visual identity on the platform.**Read definition → **](https://www.postpone.app/social-media-glossary/pfp-profile-picture) [**Pinned Post****Platform Concepts** A pinned post is a post fixed to the top of a profile or community page so it stays visible no matter when it was published.** Read definition → **](https://www.postpone.app/social-media-glossary/pinned-post) ## **R** **1 term** [**Reels****Platform Concepts** Reels are short-form vertical videos on Instagram and Facebook, typically 15 to 90 seconds long, built for discovery through algorithmic feeds.**Read definition → **](https://www.postpone.app/social-media-glossary/reels) ## **S** **3 terms** [**Save / Bookmark****Platform Concepts** A save, or bookmark, is a feature that lets users privately keep content to revisit later, and a strong signal to algorithms that a post has lasting value.**Read definition → **](https://www.postpone.app/social-media-glossary/save-bookmark) [**Shadowban****Platform Concepts** A shadowban is when a platform silently restricts your account so your content stops appearing to others, without ever notifying you.** Read definition → **](https://www.postpone.app/social-media-glossary/shadowban) [**Stories****Platform Concepts** Stories are short-form photos or videos that disappear after 24 hours and are displayed at the top of a platform's interface.** Read definition → **](https://www.postpone.app/social-media-glossary/stories) ## **T** **1 term** [**Thread****Platform Concepts** A thread is a series of connected posts published in sequence by the same author to share an idea longer than a single post allows.**Read definition → **](https://www.postpone.app/social-media-glossary/thread) ## **V** **1 term** [**Verification / Blue Check****Platform Concepts** Verification is a badge on a social media profile confirming the account's identity, typically shown as a blue check next to the username.**Read definition → **](https://www.postpone.app/social-media-glossary/verification-blue-check) ## **Y** **1 term** [**YouTube Shorts****Platform Concepts** YouTube Shorts are YouTube's short-form vertical videos, capped at 60 seconds and built to compete with TikTok and Instagram Reels.**Read definition → **](https://www.postpone.app/social-media-glossary/youtube-shorts)