The search and indexing configuration files

<events>

Specifies event handlers for indexing:start, indexing:start:remote, indexing:end, and indexing:end:remote events.

<hooks>

Runs necessary initialization processes, such as EventHub registration and warmup queries for you index. You can extend this class or add additional hooks.

<pipelines>

Specifies all pipeline processors related to search and indexing.

<boostingManager>

Specifies the manager class controlling the search result boosting logic.

<searchManager>

Specifies the search manager and provider classes.

<scheduling>

Specifies the interval at which indexing will occur.

<settings>

Specifies settings, such as parallel indexing, maximum search results, and date format.

<commands>

Specifies handlers for indexing events.

<indexUpdateStrategies>

Specifies which update strategy will be used.

<databasePropertyStore>

Specifies key values that can be used in a search.

<configuration>

Settings for index configuration.

<DefaultIndexConfiguration>

Settings used if no custom settings are available for an index.

<IndexAllFields>

Default value is true.

<Analyzer>

The Lucene Standard Analyzer is specified by default. A custom analyzer might speed up searches.

<fieldMap>

Enables you to map a Sitecore field name to the index and store it in an appropriate way, including original value storage, boost value, and data type.

<virtualFieldProcessors>

Specifies custom query processing for a named field.

<exclude>

Excludes items from the index based on template type.

Excludes specific fields from the index, if IndexAllFields is set to true.

<include>

Includes items from the index based on template type, if IndexAllFields is set to false.

<fields>

Enables you to format the way that field values are stored in the index, remove inbuilt Sitecore fields, and store computed fields.