What type of balance is available on WhiteBIT?

Excuse me, could you please elaborate on the types of balances that are available on WhiteBIT? Are there separate accounts for fiat currencies, cryptocurrencies, or both? Do users have access to trading, margin, and savings balances? Is there a distinction between available and total balances? Are there any limitations or restrictions associated with each type of balance? Understanding these details would be crucial for managing funds and executing trades effectively on the platform.