This document lists C programming language keywords such as auto, double, int, struct, break, else, long, switch, case, enum, register, typedef, char, extern, return, union, const, float, short, unsigned, continue, for, signed, void, default, goto, sizeof, volatile, do, if, static, while. It also lists variable and data type names used in a student information program such as student_info_nickname, studentInfoNickname, student_id, ID, customerName, ID, address1, %available, auto, Int, 3rdSubject, _sys_one, address_2, number5, #5.