* [`DECAY`](../../functions-operators/search-functions.md#esql-decay) {applies_to}`stack: preview` {applies_to}`serverless: preview`
* [`KQL`](../../functions-operators/search-functions.md#esql-kql)
* [`MATCH`](../../functions-operators/search-functions.md#esql-match)
* [`MATCH_PHRASE`](../../functions-operators/search-functions.md#esql-match_phrase)
* [`QSTR`](../../functions-operators/search-functions.md#esql-qstr)
* [`SCORE`](../../functions-operators/search-functions.md#esql-score) {applies_to}`stack: preview` {applies_to}`serverless: preview`
% * [`TERM`](../../functions-operators/search-functions.md#esql-term) {applies_to}`stack: preview` {applies_to}`serverless: preview`
* [`TOP_SNIPPETS`](../../functions-operators/search-functions.md#esql-top_snippets) {applies_to}`stack: preview` {applies_to}`serverless: preview`