# Concepts

Learn about the key components of <code class="expression">space.vars.ionos\_cloud\_object\_storage</code>, its functions, and capabilities to manage your Object Storage.

## Quick Links

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Buckets</strong></mark></td><td>To store your data in <code class="expression">space.vars.ionos_cloud_object_storage</code>, learn about buckets that serve as data containers.</td><td><a href="concepts/buckets">buckets</a></td></tr><tr><td><mark style="color:blue;"><strong>Bucket Types</strong></mark></td><td>Learn about the contract-owned bucket and user-owned bucket types' feature sets and limitations.</td><td><a href="concepts/bucket-types">bucket-types</a></td></tr><tr><td><mark style="color:blue;"><strong>Objects and Folders</strong></mark></td><td>Organize data in the Object Storage by learning about the objects, object functions, metadata, folders, and prefixes.</td><td><a href="concepts/objects-folders">objects-folders</a></td></tr><tr><td><mark style="color:blue;"><strong>Key Management</strong></mark></td><td>To authenticate with your Object Storage credentials for using Object Storage and to manage keys, learn about key management.</td><td><a href="concepts/key-management">key-management</a></td></tr><tr><td><mark style="color:blue;"><strong>Access Management</strong></mark></td><td>To control access permissions to your buckets and objects, learn about access management.</td><td><a href="concepts/access-management">access-management</a></td></tr><tr><td><mark style="color:blue;"><strong>S3 API Compatibility</strong></mark></td><td>Learn about the features compatible with S3 API.</td><td><a href="concepts/s3-api-compatibility">s3-api-compatibility</a></td></tr></tbody></table>


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