The index space is usually the first space to be created. The information architect decides which information should be stored at this central location. While each department or work unit may have its own index space, there is typically one index space that is the root for all.

The index space show case uses the following concepts.

Space Properties in Index Space

Space properties that need to be seen by all spaces are defined in the index space.

Common generic Types

Index spaces also define generic types that are used by all doctypes.

Common type-specific Types

Index spaces define type-specific types that are commonly used throughout spaces.

Default Homepages

Document type homepages in the index space serve as automatic homepages if the current space lacks a homepage for that document type.