# Core types

Discover the core types available in CQL.

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Use the summary below to quickly jump to a specific topic:

- [Null](/reference/cql/data-types/core/null): Learn about the type that represents null values.
- [Boolean](/reference/cql/data-types/core/boolean): Learn about the type that represents binary values.
- [Number type](/reference/cql/data-types/core/number): Learn about the type that represents number values.
- [String type](/reference/cql/data-types/core/string): Learn about the type that represents text values.
- [Regex type](/reference/cql/data-types/core/regex): Learn about the type that represents regular expressions.
- [Collection type](/reference/cql/data-types/core/collection): Learn about the type that represents a lists, sets, and maps.
- [Comparable type](/reference/cql/data-types/core/comparable): Learn about the type that represents ordered values.
- [Primitive type](/reference/cql/data-types/core/primitive): Learn about the type that represents primitive values.