## Core Definitions in Cost & Management Accounting
Understanding these six terms is foundational. Each has a precise meaning in professional practice.
### Cost
- As a noun: The actual or notional expenditure incurred on a specific article, product, or activity.
- As a verb: The action of determining the cost of a particular thing or activity.
- In plain language: resources (money, time, materials) given up to obtain goods or services.
### Costing
- The technique and process of ascertaining costs for products or services.
- Forms the foundation of an organisation's internal financial information system.
- Provides data for planning, controlling activities, and making future decisions.
### Cost Accounting
- The process of accounting for costs — from recording income and expenditure to preparing periodic statements and reports.
- Starts with recording, ends with reports that help control and ascertain costs.
### Cost Accountancy
- The application of costing and cost accounting principles, methods, and techniques.
- Covers the science, art, and practice of:
- Cost control
- Profitability determination
- Presenting information for managerial decision-making
- Broadest of the three "cost" terms.
### Management Accounting
- Application of accounting and financial management principles to create, preserve, protect, and increase value for stakeholders.
- Applies to both for-profit and not-for-profit organisations.
- Assists management with: Planning → Organising → Controlling → Decision-Making
### Cost Management
- Uses management accounting concepts for cost planning, monitoring, and control.
- Tools: data collection, analysis, and presentation methods.
- Goal: optimise resources and improve overall performance.
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### Hierarchy of Terms (Scope Comparison)
| Term | Scope | Key Focus |
|---|---|---|
| Costing | Narrowest | Ascertaining cost |
| Cost Accounting | Wider | Recording + reporting costs |
| Cost Accountancy | Widest (cost side) | Application of all cost principles |
| Management Accounting | Widest overall | Decision support for management |
| Cost Management | Action-oriented | Planning, monitoring, controlling costs |