Roblox glossary.

Roblox scripting term — short for 'coordinate frame'. The data type representing position and rotation of a 3D object.

A redeemable string a developer publishes on social media or events. Most games have a Twitter / Settings menu where you paste them in.

Roblox's server-side persistent storage. Used by developers to save player data between sessions.

Subjective measure of how many traders are looking to buy a specific item right now. Drives effective trade value above or below listed value.

An in-game item that can be purchased multiple times (consumables, currency packs, boosts). Sold through the Roblox API at runtime.

Developer Exchange. The Roblox program that lets eligible developers cash Robux out to USD. Has a minimum threshold (currently 50,000 Robux) and a fixed exchange rate set by Roblox.

A one-time purchase tied to a single game. Owning the pass usually unlocks a permanent perk in that game.

Robux held by a Roblox group. Group payouts let owners distribute funds to members, but they're subject to the marketplace fee on the way out.

Pet Simulator 99 term for a giant variant of a pet, far rarer than the base form. Major trading currency inside PS99.

A tradeable catalog item available for a fixed time or in a fixed quantity. Limiteds historically required Premium and were a major part of trading culture.

Top-tier Blox Fruits classifications. Logias are elemental fruits with passive immunities; Mythicals are the highest-rarity tier.

The 30% cut Roblox takes on transactions like gamepass sales, dev product sales, and group payouts. A 100 Robux gamepass returns 70 Robux to the seller.

Variant trait on a crop or pet that changes its appearance and value. Used in Grow a Garden, PS99, and others.

Roblox terminology for the levels in an experience. A Universe contains one or more Places; the entry Place is what users join when they hit play.

Roblox's monthly subscription. Comes with a Robux stipend, the ability to trade and sell items on the marketplace, and bonuses inside some games.

Two avatar rigs supported in Roblox. R6 has six body parts (classic blocky look), R15 has fifteen and supports more animation.

Resetting your in-game progress for a permanent boost. Used in Pet Simulator 99 and many simulator-genre Roblox games.

The free Roblox-published editor for building games on the platform.

Roblox's in-platform virtual currency. Used for buying items, gamepasses, and developer products. Purchased with real money, earned by developers, or granted as a Premium subscription stipend.

Grow a Garden's in-game currency. Earned by selling crops.

An in-platform exchange of items between two players. On the Roblox marketplace, only Premium users can trade Limiteds. Inside individual games like Adopt Me, trading uses an in-game window.

Community-agreed worth of an in-game item, used to judge whether a trade is fair. Not an official Roblox figure.

User-Generated Content. Avatar items created by approved users instead of Roblox staff.