# Core Concepts

Learn about the foundational concepts that underpin the {{platform_name}}.

-   **[Workspaces](workspaces.md)**

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    Isolation boundaries for teams, users, or environments.

-   **[Secrets](manage-secrets.md)**

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    Managing secrets required for your workloads.

-   **[Files](manage-files.md)**

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    Managing files and datasets.

-   **[Projects](projects.md)**

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    Logical groupings for related work within a workspace.

-   **[Entities](entities.md)**

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    The underlying data objects that power platform services.

-   **[Entity References](entity-references.md)**

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    How to refer to entities by string (e.g. workspace/entity_name) in the CLI and API.

-   **[Filtering](filtering.md)**

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    Query and filter list results using operators, bracket notation, or text syntax.


