Okla. Stat. tit. 11, § 11-17-217: Purpose-based budget - Definitions

As used for a budget based on purpose:

1. "Appropriation" means an authorization to expend or

encumber income and revenue provided for a purpose;

2. "Budget summary" means a tabular listing of revenues by

source and expenditures by purpose for the budget year;

3. "Estimated revenue" means the amount of revenues estimated

to be received during the budget year;

4. “Income and revenue provided” means the amount of estimated

or actual income and revenue appropriated by the governing body of

the municipality; and

5. “Purpose” means the specific program, project or activity

for which the governing body provides an appropriation as listed in

the budget.