What is a exact meaning of journal entry & debit & credit?

A journal entry is a formal accounting entry used to identify a business transaction. The entry itemizes accounts that are debited and credited, and should include some description of the reason for the entry, as well as the date.

If properly documented, journal entries provide an excellent audit trail for anyone investigating the accounting records of an entity.

• Journal entry means =>For every transaction Creat ( Determining Debit & Credit) entry for the transaction. Debit: cash input, liability decrease(pay previous due),  property purchase.
• Debit: cash input, any expense  (salary)liability decrease(pay previous due),  property purchase
• Credit: Cash output, Liability occur (purchase on account) , selling property.

Journal entry is an entry to the journal. Journal is a record that keeps accounting transactions in chronological order, i.e. as they occur. Ledger is a record that keeps accounting transactions by accounts. Account is a unit to record and summarize accounting transactions

A debit is an accounting entry that either increases an asset or expense account, or decreases a liability or equity account. It is positioned to the left in an accounting entry. A credit is an accounting entry that either increases a liability or equity account, or decreases an asset or expense account.