Define debit and credit?

simply we can prepare trial balance debit all expenses and assets & credit all libilities and incomes .in case of p&L AC debit all expenses and losses , credit all incomes and gains

an easy defention of debit and credit its : Rights & Obligation respectivly .

debit what comes in,credit what goes out.

a double entry accounting system in which if there is increase in assets we record in debit side of the ledger or general journal and if there is decrease in asset we record in the credit side

i would like to answer this in more simpler terms.
Debit= Assets.
Credit= Liabilities