How to create Custom Variable in Magento 2

How to create Custom Variable in Magento 2:
  • Magento 2 admin is having the option to create a custom variable & values.
  • We can use create a required variable & we can use with the application.
  • With in that variable we can configure HTML value if you want or string u want.
admin – System – Other Settings – Custom Variable – Add New
Variable Code  – Unique identifier
Variable Name – For reference
Variable HTML Value – Here we can configure HTML output values 
Variable Plain Value – Here we can use String value