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diff --git a/doc/feature/additional/access.md b/doc/feature/additional/access.md
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+## Access Control and Permissions
+
+
+### Privacy Groups
+
+Enable management and selection of privacy groups.
+<!-- TODO: full description for Privacy Groups -->
+
+Minimum required technical skill level to see this feature: 0
+
+
+### Multiple Profiles
+
+Ability to create multiple profiles.
+<!-- TODO: full description for Multiple Profiles -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Permission Categories
+
+Provide alternate connection permission limits.
+<!-- TODO: full description for Permission Categories -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### OAuth Clients
+
+Manage authenticatication tokens for mobile and remote apps.
+<!-- TODO: full description for OAuth Clients -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Access Tokens
+
+Create access tokens so that non-members can access private content.
+<!-- TODO: full description for Access Tokens -->
+
+Minimum required technical skill level to see this feature: 2
diff --git a/doc/feature/additional/composition.md b/doc/feature/additional/composition.md
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+## Post Composition Features
+
+
+### Large Photos
+
+Include large (1024px) photo thumbnails in posts.
+If not enabled, use small (640px) photo thumbnails
+<!-- TODO: full description for Large Photos -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Channel Sources
+
+Automatically import channel content from other channels or feeds
+<!-- TODO: full description for Channel Sources -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Even More Encryption
+
+Allow optional encryption of content end-to-end with a shared secret key
+<!-- TODO: full description for Even More Encryption -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Enable Voting Tools
+
+Provide a class of post which others can vote on
+<!-- TODO: full description for Enable Voting Tools -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Disable Comments
+
+Provide the option to disable comments for a post
+<!-- TODO: full description for Disable Comments -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Delayed Posting
+
+Allow posts to be published at a later date
+<!-- TODO: full description for Delayed Posting -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Content Expiration
+
+Remove posts/comments and/or private messages at a future time
+<!-- TODO: full description for Content Expiration -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Suppress Duplicate Posts/Comments
+
+Prevent posts with identical content to be published
+with less than two minutes in between submissions.
+<!-- TODO: full description for Suppress Duplicate Posts/Comments -->
+
+Minimum required technical skill level to see this feature: 1
diff --git a/doc/feature/additional/filtering.md b/doc/feature/additional/filtering.md
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+## Network and Stream Filtering
+
+
+### Search by Date
+
+Ability to select posts by date ranges
+<!-- TODO: full description for Search by Date -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Saved Searches
+
+Save search terms for re-use
+<!-- TODO: full description for Saved Searches -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Network Personal Tab
+
+Enable tab to display only Network posts that you've interacted on
+<!-- TODO: full description for Network Personal Tab -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Network New Tab
+
+Enable tab to display all new Network activity
+<!-- TODO: full description for Network New Tab -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Affinity Tool
+
+Filter stream activity by depth of relationships
+<!-- TODO: full description for Affinity Tool -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Suggest Channels
+
+Show friend and connection suggestions
+<!-- TODO: full description for Suggest Channels -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Connection Filtering
+
+Filter incoming posts from connections based on keywords/content
+<!-- TODO: full description for Connection Filtering -->
+
+Minimum required technical skill level to see this feature: 3
diff --git a/doc/feature/additional/general.md b/doc/feature/additional/general.md
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+++ b/doc/feature/additional/general.md
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+## General Features
+
+
+### New Member Links
+
+Display new member quick links menu.
+<!-- TODO: full description for New Member Links -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Advanced Profiles
+
+Additional profile sections and selections
+<!-- TODO: full description for Advanced Profiles -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Profile Import/Export
+
+Save and load profile details across sites/channels
+<!-- TODO: full description for Profile Import/Export -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Web Pages
+
+Provide managed web pages on your channel
+<!-- TODO: full description for Web Pages -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Wiki
+
+Provide a wiki for your channel
+<!-- TODO: full description for Wiki -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Private Notes
+
+Enables a tool to store notes and reminders (note: not encrypted)
+<!-- TODO: full description for Private Notes -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Cards
+
+Create personal planning cards
+<!-- TODO: full description for Cards -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Articles
+
+Create interactive articles
+<!-- TODO: full description for Articles -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Navigation Channel Select
+
+Change channels directly from within the navigation dropdown menu
+<!-- TODO: full description for Navigation Channel Select -->
+
+Minimum required technical skill level to see this feature: 3
+
+
+### Photo Location
+
+If location data is available on uploaded photos, link this to a map.
+<!-- TODO: full description for Photo Location -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Access Controlled Chatrooms
+
+Provide chatrooms and chat services with access control.
+<!-- TODO: full description for Access Controlled Chatrooms -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Smart Birthdays
+
+Make birthday events timezone aware in case your friends are scattered across the planet.
+<!-- TODO: full description for Smart Birthdays -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Event Timezone Selection
+
+Allow event creation in timezones other than your own.
+<!-- TODO: full description for Event Timezone Selection -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Premium Channel
+
+Allows you to set restrictions and terms
+on those that connect with your channel
+<!-- TODO: full description for Premium Channel -->
+
+Minimum required technical skill level to see this feature: 4
+
+
+### Advanced Directory Search
+
+Allows creation of complex directory search queries
+<!-- TODO: full description for Advanced Directory Search -->
+
+Minimum required technical skill level to see this feature: 4
+
+
+### Advanced Theme and Layout Settings
+
+Allows fine tuning of themes and page layouts
+<!-- TODO: full description for Advanced Theme and Layout Settings -->
+
+Minimum required technical skill level to see this feature: 4
diff --git a/doc/feature/additional/overview.md b/doc/feature/additional/overview.md
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+[chset]: /settings "Channel Settings"
+[ftset]: /settings/features "Additional Features Settings"
+[ftgen]: /help/feature/additional/general "General Features"
+[ftacc]: /help/feature/additional/access "Access Control and Permissions"
+[ftcom]: /help/feature/additional/composition "Post Composition Features"
+[ftfil]: /help/feature/additional/filtering "Network and Stream Filtering"
+[ftpos]: /help/feature/additional/posts "Post/Comment Tools"
+
+
+# Additional Features
+
+<!-- TODO: Introduction to additional features -->
+
+<!-- TODO: Short info and crosslink on techlevels -->
+
+You can switch the features on and off from the
+[Additional Features][ftset] link in the [Channel Settings][chset].
+
+<!-- TODO: Infos about feature visibility and causes/dependencies -->
+
+The following pages decribe all the available features
+grouped in the same way as they are with the accordion tabs on the
+[Additional Features][ftset] settings page:
+
+[General Features][ftgen]
+
+[Access Control and Permissions][ftacc]
+
+[Post Composition Features][ftcom]
+
+[Network and Stream Filtering][ftfil]
+
+[Post/Comment Tools][ftpos]
diff --git a/doc/feature/additional/posts.md b/doc/feature/additional/posts.md
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+## Post/Comment Tools
+
+
+### Community Tagging
+
+Ability to tag existing posts
+<!-- TODO: full description for Community Tagging -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Post Categories
+
+Add categories to your posts
+<!-- TODO: full description for Post Categories -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Emoji Reactions
+
+Add emoji reaction ability to posts
+<!-- TODO: full description for Emoji Reactions -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Saved Folders
+
+Ability to file posts under folders
+<!-- TODO: full description for Saved Folders -->
+
+Minimum required technical skill level to see this feature: 2
+
+
+### Dislike Posts
+
+Ability to dislike posts/comments
+<!-- TODO: full description for Dislike Posts -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Star Posts
+
+Ability to mark special posts with a star indicator
+<!-- TODO: full description for Star Posts -->
+
+Minimum required technical skill level to see this feature: 1
+
+
+### Tag Cloud
+
+Provide a personal tag cloud on your channel page
+<!-- TODO: full description for Tag Cloud -->
+
+Minimum required technical skill level to see this feature: 2