> ## Documentation Index > Fetch the complete documentation index at: https://rag-docs.peakfs.io/llms.txt > Use this file to discover all available pages before exploring further. # Retrieval Knowledge ## Description The Retrieval Knowledge tool is part of the Vectorization service, designed to retrieve relevant information from a vectorized knowledge base. It leverages advanced similarity search techniques to pull contextually accurate results from large datasets, enabling precise and informative responses based on previous data. Read more details about the tool on the Vectorization docs: Retrieval Tool in the RAG Framework