Debit & credit

Debit and Credit 

The left-hand side of any account is arbitrarily called debit side, and the right-hand side is called credit side. 

Debit increases an asset or expense accounts or decreases equity, liability, or revenue accounts and

 Credit increases equity, liability, or revenue accounts or decreases an asset or expenses account. 

Debit is abbreviated as Dr. and Credit as Cr. are taken from the first and last letters of these Iatin words. 

In accounting, debit and credit do not mean debtor and creditor.