1. A genuine, factual, or realistic account or clarification of something, as opposed to a superficial or incorrect one
After months of speculation, we finally got the actual explanation for the company's closure.
Após meses de especulação, finalmente recebemos a explicação real para o fechamento da empresa.
2. The true reason or cause behind an event or situation
The actual explanation for his absence was that he was dealing with a family emergency.
A explicação verdadeira para a sua ausência era que ele estava lidando com uma emergência familiar.