| pioneering(opening, addition, establishment, introduction, preface) |
| preamble(opening, addition, establishment, introduction, preface) |
| preface(opening, addition, establishment, introduction, prelude) |
| preliminaries(opening, addition, establishment, introduction, preface) |
| prelude(opening, addition, establishment, introduction, preface) |
| prerequisite |
| prerequisites(noun, adjective, conditions, needs, basics) |
| presentation(opening, addition, establishment, introduction, preface) |
| primer(opening, addition, establishment, introduction, preface) |
| proem(opening, addition, establishment, introduction, preface) |
| prolegomenon(noun, opening, addition, establishment, introduction) |
| prologue(opening, addition, establishment, introduction, preface) |
| radicals |
| requirement |
| requisite |
| requisition |
| specifics(noun, details, particulars) |
| substantives(noun, adjective) |
| survey(opening, addition, establishment, introduction, preface) |
| whole story(noun, expression, information, facts, details) |