Questions & Answers about Cuento desde cero.
It can mean either one, because contar has both meanings:
- to count
- to tell or to relate
So cuento can mean:
- I count
- I tell
Context tells you which meaning is intended. In Cuento desde cero, the surrounding meaning will make it clear.
Also, be careful: cuento can also be a noun meaning story or short story. But in this sentence, it is a verb form.