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Glossary

Browse popular seeds

Build a server.properties file

Calculate portal coordinates

Create a MOTD

The cross-platform version of Minecraft built on the Bedrock engine, available on Windows, Xbox, PlayStation, Nintendo Switch, iOS, and Android. Servers use UDP on port 19132 by default and support cross-play between all Bedrock platforms.

A region of a Minecraft world with distinct terrain, vegetation, climate, and mob spawns. Examples include forest, desert, jungle, mushroom fields, cherry grove (1.20+), and deep dark. Each biome has a specific temperature and humidity.

A Minecraft server that accepts both Java and Bedrock players simultaneously. Typically implemented with GeyserMC (Bedrock→Java proxy) and Floodgate (which removes the requirement for Bedrock players to own the Java edition).

The final dimension in Minecraft, home of the Ender Dragon. Accessible through an End Portal built with 12 End Portal Frames activated by Eyes of Ender. Defeating the dragon unlocks the End islands containing elytra and shulkers.

The original PC version of Minecraft, developed in Java. Supports mods, shaders, and third-party server software (Spigot, Paper, Fabric, Forge). Servers run on port 25565 by default and use TCP.

The short text shown next to a Minecraft server name in the multiplayer server list. Set via the motd= field in server.properties. Supports § color codes and §k obfuscation; line breaks are represented as \n in server.properties.

A hostile dimension accessible through Nether portals. Contains Nether-specific biomes (crimson/warped forest, basalt deltas, soul sand valley), resources (netherite, ancient debris, blaze rods), and mobs (ghasts, piglins, wither skeletons).

A rectangular obsidian frame (minimum 4×5 interior) that, when lit with flint and steel, teleports entities to the Nether dimension. Nether coordinates are Overworld coordinates divided by 8 (except Y), so portals built at exact matching coordinates link reliably.

The primary dimension in Minecraft where players spawn. Contains all natural biomes (forest, desert, ocean, taiga, etc.), day/night cycle, and most passive mobs. Build height ranges from Y=-64 to Y=320 since version 1.18.

Software that fronts multiple Minecraft Java servers behind a single IP and lets players switch between them without reconnecting. BungeeCord is the original; Velocity is the modern high-performance successor. Commonly used for server networks with hub, survival, and minigame sub-servers.

A protocol for remotely executing Minecraft server console commands over TCP. Enabled with enable-rcon=true in server.properties. Secured with a password, it is commonly used by hosting panels, Discord bots, and monitoring tools to run commands without SSH access.

A numeric value that deterministically generates a Minecraft world. Two worlds created with the same seed, edition, and game version produce identical terrain, biomes, and structure placement. Seeds are stored as 64-bit signed integers (Java) or 32-bit (Bedrock).

The primary configuration file for a Minecraft Java server. Located in the server root directory, it controls gamemode, difficulty, max-players, view-distance, online-mode, rcon, and dozens of other settings. Loaded only at server startup.

A popular Minecraft game mode where players start on a tiny floating island with limited resources and must expand through creative engineering. The original Skyblock map was created by Noobcrew in 2011; modern variants include Hypixel Skyblock.

A 128-bit universally unique identifier assigned to each Minecraft player account by Mojang. Uses UUID version 4 format. Servers identify players by UUID (not by username) so that name changes do not break permissions, whitelist entries, or progression.

A Minecraft server plugin that receives vote notifications from server listing websites. When a player votes for a server on a listing site, Votifier receives the signed vote packet and can trigger in-game rewards. NuVotifier (v2) uses token-based authentication; v1 uses RSA public keys on port 8192.

A list of Minecraft usernames allowed to join a server. When enabled (white-list=true in server.properties), players not on the whitelist.json file receive a "not white-listed" kick message. Each entry stores the player UUID and name.

Generate a whitelist.json

Minecraft Glossary

Clear, source-level definitions of the most common Minecraft terms. Bookmark this page when you need a quick explanation of what a seed, MOTD, or Nether portal actually is.

Clear definitions of Minecraft terminology: seeds, Votifier, MOTD, Java & Bedrock editions, crossplay, whitelist, server.properties, Nether portals, biomes, UUID, RCON, and more.

Minecraft Glossary — Definitions of Minecraft Terms

Minecraft Seed

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