New entries, fixes, hyperlinks. (#3774)

* New entries, fixes, hyperlinks.

- Got rid of a second hass.io entry
- Seems as though "hass" entry topic undercase is allowing it to bypass sorting?
- Added hyperlinks to all entries
- Added some new terms

* Typo fix

* Added frontend/themes

source/_data/glossary.yml

@@ -2,21 +2,24 @@
   description: "[Platforms](/docs/configuration/platform_options/) make the connection to a specific software or hardware platform. For example, the `pushbullet` platform works with the service pushbullet.com to send notifications."
 - topic: Component
   description: "[Components](/docs/configuration/platform_options/) provide the core logic for the functionality in Home Assistant. Like `notify` provides sending notifications."
+- topic: Condition
+  description: "[Conditions](/docs/scripts/conditions/) are an optional part of an automation that will prevent an action from firing if they are not met."  
 - topic: Service
   description: "[Services](/docs/scripts/service-calls/) are called to perform actions."
+- topic: Action
+  description: "[Actions](/docs/automation/action/) are events that fires once all triggers and conditions have been met."
 - topic: Event
   description: "An [event](/docs/configuration/events/) is when something happens."
-  description: When something happens.
 - topic: Entity
-  description: An [entity](/docs/configuration/platform_options/) is the representation of a single device, unit or web service.
+  description: "An [entity](/docs/configuration/platform_options/) is the representation of a single device, unit or web service."
 - topic: Device
   description: "A device is usually a physical unit which can do or observe something."
 - topic: hass
-  description: "HASS or hass is often used as an abbreviation for Home Assistant."
+  description: "HASS or [hass](/docs/tools/hass/) is often used as an abbreviation for Home Assistant as well the command line tool."
 - topic: Discovery
-  description: Discovery is the automatic setup of zeroconf/mDNS and uPnP devices after they are discovered.
-- topic: Groups
-  description: "Groups are a way to organize your entities into a single unit."
+  description: "[Discovery](/components/discovery/) is the automatic setup of zeroconf/mDNS and uPnP devices after they are discovered."
+- topic: Group
+  description: "[Groups](/components/group/) are a way to organize your entities into a single unit."
 - topic: Automation
   description: "[Automations](/docs/automation/) offer the capability to call a service based on a simple or complex trigger. Automation allows a condition such as sunset to cause an event, such as a light turning on."
 - topic: Trigger
@@ -26,18 +29,20 @@
 - topic: Script
   description: "[Scripts](/docs/scripts/) are components that allow users to specify a sequence of actions to be executed by Home Assistant when turned on"
 - topic: Scene
-  description: "Scenes capture the states you want certain entities to be. For example a scene can specify that light A should be turned on and light B should be bright red." 
-- topic: hassio
-  description: see Hass.io
+  description: "[Scenes](/components/scene/) capture the states you want certain entities to be. For example a scene can specify that light A should be turned on and light B should be bright red." 
 - topic: HADashboard
   description: "[HADashboard](/docs/ecosystem/hadashboard/) is a modular, skinnable dashboard for Home Assistant that is intended to be wall mounted, and is optimized for distance viewing."
+- topic: hass
+  description: "HASS or [hass](/docs/tools/hass/) is often used as an abbreviation for Home Assistant. It is aslo the comand line tool for accessing"
 - topic: Hass.io
-  description: "Hass.io is an operating system that will take care of installing and updating Home Assistant, is managed from the Home Assistant UI, allows creating/restoring snapshots of your configuration, and can easily be extended"
+  description: "[Hass.io](/hassio/) is an operating system that will take care of installing and updating Home Assistant, is managed from the Home Assistant UI, allows creating/restoring snapshots of your configuration, and can easily be extended"
 - topic: Cookbook
   description: "The [Cookbook](/cookbook/) contains a set of configuration examples of Home Assistant from the community"
 - topic: Packages
-  description: "Packages allow you to bundle different component configuations together."
-- topic: Customizing
+  description: "[Packages](/docs/configuration/packages/) allow you to bundle different component configuations together."
+- topic: Customize
   description: "[Customization](/docs/configuration/customizing-devices/) allows you to overwrite the default parameter of your devices in the configuration."
-- topic: Zones
-  description: "Zones are areas that can be used for presence detection."
+- topic: Zone
+  description: "[Zones](/components/zone/) are areas that can be used for presence detection."
+- topic: Frontend
+  description: "The [frontend](/components/frontend/) is a necessary component for the UI, it is also where you can define your themes."