This is how to register the expense types, income accounts, asset accounts (& payment modes) and liability accounts.
Navigate to Accounting > Charts or Accounts. In the page displayed, expand the plus (+) icon at the top right section to open the account registration form. Select the account type, sub-account type then fill in the remaining input fields in the form before you submit.
All the registered accounts are found at the bottom section of the same page. You can edit/delete the account created from the action column.
Create an Account