# Glossary ### OTBM Open Tibia Binary Map - a binary format in which game map is saved. It can only be viewed and edited using a special map editor, such as RME. ### RME Remere's Map Editor - a map editor that can handle OTBM maps. Official site: [https://remeresmapeditor.com](https://remeresmapeditor.com/) ### TFS The Forgotten Server - engine for running your own OTS. It was originally a fork of OTServ. Now the most stable, powerful and up to date engine still in development. See: . --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.otland.net/ots-guide/glossary.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.