Let's be very clear. this is a very simple, and becomes a very confusing subject.
A fact table is an entity representing the numerical measurements of the business. A dimension table is the entity describing the textual representation of the business.

In a banking model, the account and balances are the measurements within the fact table, where customer name, social security, address, time period of the account, are the dimensions (customer/time).

Hope this answers the clarification.