The Data step creates a SAS dataset which carries the data along with a “data dictionary.” There should be a semi-colon at the end of every line A data statement that defines your data set Input statement There should be at least one space between each word or statement A run statement. To run the program successfully, and you have the following basic elements: The basic structure of SAS consist of=DATA step, which recovers & manipulates data.=PROC step, which interprets the data. What is the basic structure of the SAS base program?