The following table lists all predefined zettel with their purpose.

The content of most[^To be more exact: zettel with an identifier greater or equal ''00000999999900'' will have their content indexed.] of these zettel will not be indexed by Zettelstore.
You will not find zettel when searched for some content, e.g. ""[[european|query:european]]"" will not find the [[Zettelstore License|00000000000004]].
However, metadata is always indexed, e.g. ""[[title:license|query:title:license]]"" will find the Zettelstore License zettel.
|=Identifier:|=Title|=Purpose
|[[00000000000001|00000000000001]]|Zettelstore Version|Contains the version string of the running Zettelstore
|::00000000000002::|Zettelstore Host|Contains the name of the computer running the Zettelstore
|::00000000000003::|Zettelstore Operating System|Contains the operating system and CPU architecture of the computer running the Zettelstore
|[[00000000000004|00000000000004]]|Zettelstore License|Lists the license of Zettelstore
|[[00000000000005|00000000000005]]|Zettelstore Contributors|Lists all contributors of Zettelstore
|[[00000000000006|00000000000006]]|Zettelstore Dependencies|Lists all licensed content
|::00000000000007::|Zettelstore Log|Lists the last 8192 log messages
|::00000000000008::|Zettelstore Memory|Some statistics about main memory usage
|::00000000000009::|Zettelstore Sx Engine|Statistics about the [[Sx|https://t73f.de/r/sx]] engine, which interprets symbolic expressions
|::00000000000020::|Zettelstore Box Manager|Contains some statistics about zettel boxes and the the index process
|[[00000000000090|00000000000090]]|Zettelstore Supported Metadata Keys|Contains all supported metadata keys, their [[types|00001006030000]], and more
|[[00000000000092|00000000000092]]|Zettelstore Supported Parser|Lists all supported values for metadata [[syntax|00001006020000#syntax]] that are recognized by Zettelstore
|::00000000000096::|Zettelstore Startup Configuration|Contains the effective values of the [[startup configuration|00001004010000]]
|[[00000000000100|00000000000100]]|Zettelstore Runtime Configuration|Allows to [[configure Zettelstore at runtime|00001004020000]]
|::00000000010100::|Zettelstore Base HTML Template|Contains the general layout of the HTML view
|::00000000010200::|Zettelstore Login Form HTML Template|Layout of the login form, when authentication is [[enabled|00001010040100]]
|::00000000010300::|Zettelstore List Zettel HTML Template|Used when displaying a list of zettel
|::00000000010401::|Zettelstore Detail HTML Template|Layout for the HTML detail view of one zettel
|::00000000010402::|Zettelstore Info HTML Template|Layout for the information view of a specific zettel
|::00000000010403::|Zettelstore Form HTML Template|Form that is used to create a new or to change an existing zettel that contains text
|::00000000010405::|Zettelstore Delete HTML Template|View to confirm the deletion of a zettel
|::00000000010700::|Zettelstore Error HTML Template|View to show an error message
|::00000000019000::|Zettelstore Sxn Start Code|Starting point of sxn functions to build the templates
|::00000000019990::|Zettelstore Sxn Base Code|Base sxn functions to build the templates
|[[00000000020001|00000000020001]]|Zettelstore Base CSS|System-defined CSS file that is included by the ::Base HTML Template::
|[[00000000025001|00000000025001]]|Zettelstore User CSS|User-defined CSS file that is included by the ::Base HTML Template::
|[[00000000040001|00000000040001]]|Generic Emoji|Image that is shown if [[original image reference|00001007040322]] is invalid
|[[00000000060010|00000000060010]]|zettel|[[Role zettel|00001012051800]] for the role ""[[zettel|00001006020100#zettel]]""
|[[00000000060020|00000000060020]]|confguration|[[Role zettel|00001012051800]] for the role ""[[confguration|00001006020100#confguration]]""
|[[00000000060030|00000000060030]]|role|[[Role zettel|00001012051800]] for the role ""[[role|00001006020100#role]]""
|[[00000000060040|00000000060040]]|tag|[[Role zettel|00001012051800]] for the role ""[[tag|00001006020100#tag]]""
|[[00000000090000|00000000090000]]|New Menu|Contains items that should be in the zettel template menu
|[[00000000090001|00000000090001]]|New Zettel|Template for a new zettel with role ""[[zettel|00001006020100#zettel]]""
|[[00000000090002|00000000090002]]|New User|Template for a new [[user zettel|00001010040200]]
|[[00000000090003|00000000090003]]|New Tag|Template for a new [[tag zettel|00001006020100#tag]]
|[[00000000090004|00000000090004]]|New Role|Template for a new [[role zettel|00001006020100#role]]
|[[00000999999999|00000999999999]]|Zettelstore Application Directory|Maps application name to application specific zettel
|[[00010000000000|00010000000000]]|Home|Default home zettel, contains some welcome information
If a zettel is not linked, it is not accessible for the current user.
In most cases, you must at least enable [[''expert-mode''|00001004020000#expert-mode]].

**Important:** All identifier may change until a stable version of the software is released.