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FBX (FilmBox) is a file format for 3D models, animations, and scenes. It is a universal exchange format developed by Autodesk for sharing and transferring data between different 3D software. The FBX format supports a variety of elements including geometric shapes, materials, animations, bones, etc., and can preserve the associations and hierarchical structures between these elements.

BMP file (bitmap file, extension: .bmp) is a file format for storing bitmap images, developed by Microsoft. It is widely used as a standard image format in Windows environment, mainly used to process uncompressed raster images. Since BMP files store each pixel data of the image as it is, they can display high-quality and lossless images, but the file size is often large.

SBN files are spatial data index files used in ArcGIS software by Esri and exist as part of SHP files (Shapefiles). SBN files mainly store spatial index information and play a role in accelerating the spatial query and display speed of Shapefiles.

FBN file is a format used for visualization and management of 3D models and geospatial data, mainly suitable for the management and display of large-scale 3D scenes and city models. This format is optimized to efficiently load and render large volumes of data, and is widely used in fields such as GIS (Geographic Information System) and digital twins. FBN files can package and store model data, texture information, geographic coordinates, attribute data, etc., so that high-speed rendering can be achieved while maintaining 3D scene reproducibility and data consistency.

MPJ files are project file formats used by MapInfo Professional to manage project information related to Geographic Information Systems (GIS). The file itself does not store geographic data, but contains reference information for multiple data files and layers associated with the project. MPJ is mainly used to save project settings and configuration information, including map display status, data source path, layer structure, and style settings. Therefore, MPJ files play an important role in reproducing the visualization and editing of geographic data.

In the GIS field, WN files usually refer to Work Network Files, which are used to store linear network data (such as roads, rivers, pipelines, etc.) in GIS, and contain structured information such as nodes (NOD), lines (LIN) and networks (NET).

TFW file (TIFF World File) is a text file used in GIS to store geographic reference information of TIFF format raster images. It defines the mapping relationship between pixel coordinates and geographic coordinates through affine transformation parameters. is a text file used in GIS to store geographic reference information of TIFF format raster images. It defines the mapping relationship between pixel coordinates and geographic coordinates through affine transformation parameters.

**AUX file (Auxiliary File) **is a file used in GIS (Geographic Information System) to store auxiliary information (such as spatial index, attribute index, metadata, etc.) of geographic datasets, aiming to improve the efficiency of spatial query and analysis.

**MVT **(MapBox Vector Tile) is a map vector tile format developed and launched by Mapbox. It uses vector data slicing and compression technology to cut geographic data into small vector tiles for fast loading and rendering in web maps and mobile applications.

WB files are a special format used in spatial data processing software to support web-based spatial slicing services. This format is particularly used to save and publish terrain data or image data after slicing. As a form of integrated management file, it enables efficient loading and online publishing of data. As a self-contained data package containing the hierarchical structure and metadata of terrain or image slices, WB files are widely used in lightweight deployment scenarios.