> For the complete documentation index, see [llms.txt](https://blog.telegram.lvivcenter.org/tg-research/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.telegram.lvivcenter.org/tg-research/filters.md).

# Filters

Filters are one of the primary means for analyzing archival materials in our tool. The selection of filters determines what specific information will be displayed.  

By default, if no filters are selected, the tool displays all data simultaneously in the display field. To narrow down the data, select a specific filter.