host info added

docs/configuration/zabbix-hosts.md

@@ -1,2 +1,10 @@
 # Zabbix hosts
 
+To understand how Zabbix works it's important to know that ```Host``` in Zabbix are a reference to anything we would like to monitor it can be a physical host, a virtual machine, an application a device or even just a dummy host used to calculate data from existing other hosts into something new.
+
+Its probably one of the first tasks that we will do as an Admin when we first login to Zabbix because we need a host if we would like to monitor some metrics. It's however important to know that hosts cannot be created without them being in a hostgroup. 
+
+With this said let's create our first host.
+
+Let's go to the menu on our ```Left``` and select Data Collection.
+