# mosaic-core

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The core Mosaic components: a central coordinator, parameters (`Param`) and selections (`Selection`) for linking scalar values or query predicates (respectively) across Mosaic clients, and filter groups with materialized views of pre-aggregated data. The Mosaic coordinator can send queries either over the network to a backing server (`socket` and `rest` clients) or to a client-side [DuckDB-WASM](https://github.com/duckdb/duckdb-wasm) instance (`wasm` client).