unable to understand Revenue and Invoice

 if we create an invoice for the customer the amount which we bill considerd as revanue so why and other link of ravanue in income tab.

<p> if we create an invoice for the customer the amount which we bill considerd as revanue so why and other link of ravanue in income tab.</p>

Here you can find how incomes work: https://akaunting.com/blog/getting-started-incomes

<p>Here you can find how incomes work: https://akaunting.com/blog/getting-started-incomes</p>