Glossary
AI roleplay glossary.
Source-linked definitions for AI character chat, character cards, personas, lorebooks, context windows, semantic memory, and other terms that shape long-running roleplay.
The entries below are preserved in their original source language to avoid unreviewed machine translation.
Core concept
AI character chat
AI character chat is a conversation experience where a language model responds as a defined character instead of a generic assistant.
Read definitionCreator workflow
Character card
A character card is a structured bundle of character information that tells an AI roleplay model who the character is and how the first scene should begin.
Read definitionModel behavior
Context window
A context window is the maximum amount of text a language model can consider at once when generating a reply.
Read definitionPrompting
Example dialogue
Example dialogue is sample conversation text included in a character setup to teach the model how the character speaks, reacts, and formats replies.
Read definitionWorldbuilding
Lorebook
A lorebook is a set of background entries that can be added to an AI roleplay prompt when relevant keywords, rules, or retrieval settings match the current scene.
Read definitionRoleplay setup
Persona
A persona is the identity the user brings into an AI character chat, such as a name, role, traits, appearance, or relationship to the character.
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Private character
A private character is an AI character card that stays outside public discovery while the creator drafts, tests, or uses it personally.
Read definitionMemory
Semantic memory
Semantic memory is compact stored information about important facts, preferences, or events that can be retrieved later because of meaning rather than raw message order.
Read definitionPrompting
System prompt
A system prompt is high-priority instruction text that guides how an AI model should behave before it reads the user's message.
Read definitionModel behavior
Token
A token is a small piece of text, such as a word fragment, word, punctuation mark, or space pattern, that a language model processes.
Read definitionWorldbuilding
World info
World info is a roleplay memory system that stores background facts and inserts matching entries into the prompt when the current chat context makes them relevant.
Read definitionTurn terms into better scenes
Use the glossary with OnlyKin guides to write cleaner character cards, shorter memory, and more consistent roleplay prompts.