# Product & Developer Guide
## Feature specific components
In this page, we map the [capabilities](/learn/capabilities.md) offered by Knowlg to the various components in the Sunbird Knowlg building block. This view provides you understanding of what components are needed to enable a specific capability.
* [Rich & Diverse Assets](#rich-and-diverse-assets)
* [Organized Collections](#organized-collections)
* [Asset Lifecycle Management](#asset-lifecycle-management)
* [Powerful Discovery](/learn/capabilities/powerful-discovery.md)
* [Phygital Discovery](#phygital-discovery)
* [Observability](#observability)
### Rich & Diverse Assets
| Component | Description |
| ------------------------------------------------------------------------ | ------------------------------------- |
| [Content service](/learn/product-and-developer-guide/content-service.md) | Enables users to define asset schema. |
### Organized Collections
| Component | Description |
| -------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Content-service](/learn/product-and-developer-guide/content-service.md) | Enables users to define asset schema and consists of APIs to organize the assets as a collection. |
| [Creation - Collection editor](/learn/product-and-developer-guide/editors/collection-editor-v2.md) | It is a pluggable tool used to create the collections. |
| Consumption - no player | There is no separate collection player however the assets linked to the collection can be played using the [content-players V1](broken://pages/QXRd116ivyFZ1Gn1ozXk) or V2. |
### Asset Lifecycle Management
###
| Component | Description |
| --------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Content service](/learn/product-and-developer-guide/content-service.md) | Content service API's helps to curate the assets created by creators(using asset creation tools - editors).
The lifecycle to curate the content
Draft -> Review -> Publish
|
| [Creation - Interactive editor](/learn/product-and-developer-guide/editors/editor.md) | This tool helps user/creators to create the assets(ECML format). |
| [Creation - File upload editor](/learn/product-and-developer-guide/editors/generic-editor.md) | Upload editor tool allows creators to create assets by a simple upload. Supports Video, PDF, HTML, H5P & EPUB format. |
| [Consumption - Content player V1](broken://pages/QXRd116ivyFZ1Gn1ozXk) | Content player V1 enables users to consume content. This player is compatible with all asset format supported by sunbird platform. |
| Consumption - Content player's V2 | This is enhanced or un-bundled version of content-player-V1. Unbundled to be lighter & specific to the format. For ex., video player to play video content, epub player to play epub content etc. |
### Powerful Discovery
| Component | Description |
| ------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [seach service](/learn/product-and-developer-guide/assets-search-service.md) | This is a service offered for ease of discovery of assets. This service will expose the API's only to read & filter the assets. |
| [Taxonomy service](/learn/product-and-developer-guide/taxonomy-and-tagging.md) | This service helps to define your own framework to organize the assets in a specific structure. It also enables you to define the categories & tagging of assets. |
| Dependency - [Content-service](/learn/product-and-developer-guide/content-service.md) | The data in the content-service will be synced to the asset-search service for ease of discovery. |
### Phygital Discovery
| Component | Description |
| ------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Dial service | This service offers to generate the DIAL code & it can be linked to any asset. It also offers physical/digital discovery of the asset using a QR code image generated for each DIAL code. |
### Observability
| Component | Description |
| --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Telemetry | All the services & tools of the Sunbird Knowlg generate wide list of telemetry events. These telemetry events help to analyze the user actions. Users can build their own reports as per their needs/requirements. |
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