It looks like you’re asking for a feature article (or a detailed breakdown) based on the book "COBOL for the 21st Century" (11th Edition), specifically referencing a PDF version from 2021.
Challenges and Limitations
The Basics: IDENTIFICATION, ENVIRONMENT, and DATA divisions . Program Logic: Decision making ( IFcap I cap F EVALUATEcap E cap V cap A cap L cap U cap A cap T cap E ) and advanced iteration ( PERFORMcap P cap E cap R cap F cap O cap R cap M cobol for the 21st century 11th edition 26pdf 2021
The book is organized into units that take a student from absolute basics to advanced mainframe concepts: Core Focus Areas Unit I: The Basics Identification, Environment, Data, and Procedure Divisions. Unit II: Design It looks like you’re asking for a feature
26pdf file (if it’s a PDF named that way).