For the first time, the text of ISO 9001 carries formal definitions of its own. Clause 3 of ISO 9001:2026 defines 23 terms across entries 3.1 to 3.20, all of them the core management-system terms shared with other ISO standards under the Harmonized Structure; ISO 9000 remains the normative reference for everything else, and the reference is now undated so the current edition of ISO 9000 applies. Alongside Clause 3, Annex A.2 fixes the meaning of six words and phrases that have caused more audit arguments than any clause: appropriate and applicable, consider and take into account, continual and continuous, ensure, “shall be available as documented information” and “as evidence of”, and strategic direction. This page paraphrases all of it in plain language and explains how auditors will use each word.
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The 23 terms in Clause 3, in plain language
The definitions below are paraphrased; the standard’s own wording governs. Entries with a decimal (3.4.1, 3.5.1, 3.6.1) are the quality-specific versions of the general term above them.
| Entry | Term | In plain language | Worth knowing |
|---|---|---|---|
| 3.1 | organization | A person or group with its own functions, responsibilities, authorities and relationships to achieve objectives; can be a company, sole trader, authority, charity or a part of a larger entity | If the QMS covers only part of a larger entity, “organization” means that part |
| 3.2 | interested party (stakeholder) | Anyone who can affect, be affected by, or believe they are affected by a decision or activity | The example list includes customers, owners, staff, providers, bankers, regulators, unions, partners and society, including competitors and pressure groups |
| 3.3 | top management | The person or group who directs and controls the organisation at the highest level | Has the power to delegate authority and provide resources; if the QMS scope is part of the organisation, it is the leadership of that part |
| 3.4 | management system | The interrelated elements used to establish policies and objectives and the processes to achieve them | Can address one discipline or several; can cover the whole organisation, functions, sites or a group |
| 3.4.1 | quality management system | The part of the management system related to quality | — |
| 3.5 | policy | The organisation’s intentions and direction as formally expressed by top management | — |
| 3.5.1 | quality policy | Policy related to quality | The NOTEs say it is generally consistent with overall policy, can align with vision and mission, and frames the objectives; the ISO 9000 principles can be its basis |
| 3.6 | objective | A result to be achieved | Can be strategic, tactical or operational; organisation-wide or specific to a project, product, service or process |
| 3.6.1 | quality objective | Objective related to quality | Generally based on the quality policy and set for relevant functions, levels and processes |
| 3.7 | risk | The effect of uncertainty | The effect can be positive or negative; often expressed as consequences and likelihood; the word is sometimes used only for negative possibilities |
| 3.8 | process | Interrelated activities that use or transform inputs to deliver a result | Whether the result is called an output, product or service depends on context; a process whose output cannot readily be validated is often called a “special process” |
| 3.9 | competence | The ability to apply knowledge and skills to achieve intended results | — |
| 3.10 | documented information | Information the organisation must control and maintain, and the medium it sits on | Any format, medium or source; covers the management system and its processes, documentation, and records |
| 3.11 | performance | A measurable result | Quantitative or qualitative; can relate to activities, processes, products, services, systems or organisations |
| 3.12 | continual improvement | A recurring activity to enhance performance | — |
| 3.13 | effectiveness | The extent to which planned activities are realised and planned results achieved | — |
| 3.14 | requirement | A need or expectation that is stated, generally implied or obligatory | “Generally implied” means customary or common practice; satisfying an unstated expectation can be necessary for high customer satisfaction |
| 3.15 | conformity | Fulfilment of a requirement | “Conformance” is synonymous but deprecated |
| 3.16 | nonconformity | Non-fulfilment of a requirement | — |
| 3.17 | corrective action | Action to eliminate the cause(s) of a nonconformity and prevent recurrence | Corrective action prevents recurrence; preventive action prevents occurrence |
| 3.18 | audit | A systematic, independent process for obtaining evidence and evaluating it objectively to determine the extent to which audit criteria are fulfilled | Internal (first-party), external (second- or third-party), combined and joint audits are described in the NOTEs; independence can be shown by freedom from responsibility for the activity audited |
| 3.19 | measurement | A process to determine a value | — |
| 3.20 | monitoring | Determining the status of a system, process or activity | Can involve checking, supervising or critically observing; can apply to a product or service; usually carried out at different stages or times |
Two entries deserve a second look. The definition of risk (3.7) allows for positive effects, which is why the 2026 edition can still describe risk-based thinking as including “taking risk in order to pursue an opportunity” (6.1.2 NOTE 2) while separating the management of opportunities into 6.1.3. And the NOTEs to audit (3.18) are the standard’s own description of the difference between an internal audit, a customer audit and a certification audit, which matters for 9.3.2 d) 3), where “trends in audit results” means all three.
The six clarifications in Annex A.2
Annex A is informative and adds no requirements, but A.2 is now the reference for what the requirement words mean, and certification auditors will use it when there is a disagreement.
| Word or phrase | What A.2 says it means | How auditors use it |
|---|---|---|
| Appropriate vs applicable | “Appropriate” means suitable for the organisation’s context and involves judgement about what meets the requirement. “Applicable” means the requirement is relevant or possible for the organisation and therefore applies; “as applicable” means a requirement can be determined not to apply in some situations even though it generally applies under 4.3 | Where the text says “appropriate”, the auditor tests your judgement and its reasons; where it says “applicable”, the auditor tests whether you have justified any exclusion |
| Consider vs take into account | “Consider” means thinking about a topic to determine whether it will be included in decisions or actions. “Take into account” means thinking about it and including it | 6.3’s seven items are “consider”: you must show they were thought about. 5.2.1 e) is “take into account”: the context must actually be in the policy |
| Continual vs continuous | “Continual” means over a period of time with intervals of interruption; “continuous” means without interruption and does not appear in the document | Improvement is continual; an auditor cannot expect it to be uninterrupted, and neither should your objectives promise it |
| Ensure | Responsibility for making a specified result exist or occur; accountability for the result, not for doing every related activity personally | Top management “ensures” (5.1.1) by delegating and holding to account, not by doing |
| “Shall be available as documented information” vs “documented information shall be available as evidence of” | The first refers to availability of information obtained, used or provided by the organisation; the second refers to retention of objective evidence, and “as evidence of” does not imply legal evidential requirements | The first is a document you keep current; the second is a record you keep as proof. This replaces the 2015 “maintain” and “retain” |
| Strategic direction | Coordinated decisions, plans and actions that guide the organisation towards achieving its objectives | Used in 5.1.1 a), 5.2.1 e) and 9.3.1; auditors will ask leaders what the direction is before asking how the policy supports it |
A.2 also makes two structural points. The clause structure of the standard is not intended as a model for documenting an organisation’s policies, objectives or processes; documentation should reflect the organisation’s own terms and processes. And the lettering of items in lists exists for identification and citation only; unless the text says otherwise, the order of items carries no sequence, priority or importance, and all listed items apply.
A.3 on applicability, and why the wording matters
Annex A.3 restates the rule that a requirement can be determined as not applicable only if that does not affect the organisation’s ability to ensure conformity of products and services, enhance customer satisfaction or fulfil statutory and regulatory obligations. “Not applicable” means the organisation considered the requirement and determined, with justification, that it does not apply in the context of its QMS. That justification must appear in the scope (4.3). The common candidates remain design and development (8.3) for organisations that do not design, and elements of 8.5 such as traceability or process validation where the products and services do not need them. There is no “exclusion” vocabulary in the standard; the word is applicability.
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Frequently asked questions
How many terms does ISO 9001:2026 define? Twenty-three terms across entries 3.1 to 3.20, three of which are quality-specific sub-entries (3.4.1 quality management system, 3.5.1 quality policy, 3.6.1 quality objective). ISO 9000 remains the normative reference for other terms.
Why does ISO 9001:2026 include terms when the 2015 edition did not? Because it applies the current Harmonized Structure for ISO management system standards, which places the common terms in each standard so that integrated systems use one vocabulary.
What is the difference between “appropriate” and “applicable” in ISO 9001? Annex A.2 a): “appropriate” means suitable for the context and involves judgement; “applicable” means the requirement is relevant or possible and therefore applies. Exclusions are questions of applicability and must be justified in the scope.
What is the difference between “consider” and “take into account”? Annex A.2 b): “consider” means thinking about a topic to decide whether to include it; “take into account” means thinking about it and including it in decisions or actions.
Does ISO 9001:2026 use “continuous improvement”? No. Annex A.2 c) explains that “continual” indicates activity over time with intervals of interruption and is the right word for improvement in quality management; “continuous” does not appear in the document.
Is Annex A a requirement? No. Annex A is informative. A.1 states that it does not add to, subtract from or modify the requirements. It is, however, the reference for interpreting them.
Is “conformance” wrong? It is synonymous with “conformity” but deprecated (3.15 NOTE 1). Use “conformity”.
Read next
The clause-by-clause register; the documented information list; planning of changes and the meaning of “consider”; the ISO 9001:2026 playbook; and ISO 9001:2026 training for teams that need the vocabulary before the audit.
Sources
ISO 9001:2026, Quality management systems — Requirements, sixth edition (published 16 September 2026): Clause 2, Clause 3 (3.1 to 3.20), 4.3, Annex A.1, A.2 and A.3. ISO 9000 Glossary: Guidance on selected words used in the ISO 9000 family of standards (ISO, 2025), cited in Annex A.2 NOTE 2.
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