Which of the following is the basic form of an account?

The basic form of an account is typically represented by a T Account. A T Account visually displays how transactions affect a specific account in the general ledger. The structure consists of a "T" shape where the left side records debits and the right side records credits. This format helps accountants organize and summarize financial transactions related to that account, making it easier to see the overall effect on the account balance.

In accounting, the T Account is foundational because it illustrates how different types of transactions will influence the account’s balance over time, which is crucial for maintaining accurate financial records.

Other options like the Balance Sheet and Income Statement represent financial statements that summarize a company's financial position or performance but do not constitute a basic form of an individual account. The Ledger is a collection of all T Accounts for a business, further detailing the transactions that occur but does not serve as an account itself. Therefore, the T Account is the most straightforward representation of a basic account in accounting.