Why does COBOL have both `SECTION` and `PARAGRAPH`?

Question

Why does COBOL have both SECTION and PARAGRAPH?

Can anybody explain why the designers of COBOL created both SECTIONs and PAR

Answer 1

I learned COBOL around 1978, on an ICL 2903. I have a vague memory that the SECTION headers could be assigned a number range, which meant that those SECTION headers could be swapped in and out of memory, when the program was too large for memory.