How to Master Exam Command Words: Describe, Explain, Evaluate, Justify

Command words are not decoration. They are the rubric. Every verb in an exam question maps to a specific cognitive level, a specific depth of response, and (usually) a specific structure. Markers do not hand out marks for content that does not match the verb they were asked to assess.

Each Australian board publishes an official glossary that defines exactly what each verb requires. QCAA calls them cognitive verbs and lists them in a senior glossary used across every QCE syllabus. NESA publishes a consolidated Glossary of Key Words used across HSC subjects. VCAA publishes a Glossary of Command Terms covering F-10, VCE study designs, and VCE exams. SCSA includes syllabus task words in WACE syllabuses. The boards do not agree perfectly on every term, but the families of verbs and the depth they demand are remarkably consistent.

These are the recall verbs. They ask for facts, terms, or labels and expect a short, direct answer. The mark allocation is almost always 1 or 2.

• Identify / Name / State: provide the term or label. One word or one short phrase is usually enough.
• List: write the items. No explanation needed. Bullet points or commas are fine.
• Define: give the meaning of a term. Be precise (the textbook definition, not a paraphrase).
• Recall: reproduce the fact, formula, or relationship from memory.

The trap on these is over-writing. A 1-mark "state" question rewards one fact. Writing a paragraph of context wastes time you need elsewhere in the paper, and it increases the chance you contradict yourself or write something wrong that the marker has to count against you.

The describe-versus-explain distinction is the single most-missed verb pair in Australian exam marking. Both ask for sentences, both reward structure, but they want different things.

• Describe: provide characteristics and features. Tell the marker what the thing is or what happens. No causes, no reasons, just the picture.
• Outline: give the main points or stages without the supporting detail. A summary, in order.
• Explain: relate cause and effect. Tell the marker why or how. Every sentence should connect a cause to a consequence.

A worked contrast: a Biology question on photosynthesis. Describe photosynthesis asks you to name the inputs (light, water, carbon dioxide), the location (chloroplasts), the outputs (glucose, oxygen), and the conditions. Explain photosynthesis asks you to link the chlorophyll absorbing light energy to the splitting of water, the reduction of carbon dioxide, and the production of glucose, with each step justified by the energy transfer involved. Same content, different verb, different structure.

These verbs ask for multi-part responses. The mark allocation is usually 4 or more, and the structure of your answer matters as much as the content.

• Analyse: break the topic into its component parts and show the relationships between them. Not a list of features, but a structured account of how the parts interact.
• Compare: identify similarities and differences between two things. Both. A response that only lists differences is not a comparison.
• Contrast: identify differences only. Common to see this paired with compare in a single question.
• Discuss: present points for and against, or multiple perspectives on, an issue. Show the marker you have considered more than one side.

The compare trap: students write two separate paragraphs, one describing each thing, and assume the marker will infer the comparison. They will not. A proper comparison alternates: feature A in thing one versus feature A in thing two, then feature B in thing one versus feature B in thing two. Use words like "whereas", "in contrast", "similarly", and "however" to make the comparison explicit.

These are the highest-stakes verbs in any exam. They appear in extended response questions worth 6, 7, 8, or more marks, and they are where most Band 5 / B / strong-but- not-top responses cap out. The reason is consistent across every state: students forget to make the judgment.

• Evaluate: make a judgement based on criteria. Determine value, worth, or success. The judgement must be explicit, and you must show the criteria you used.
• Justify: support a position, decision, or conclusion with evidence. Argue for something, with reasons.
• Assess: make a judgement of value, quality, outcomes, or significance. Similar to evaluate, often used interchangeably (NESA treats them as near-equivalents).
• Critically analyse / critically evaluate: as above, plus weigh strengths against limitations and consider alternative interpretations.

The structure that wins marks: open with your judgement (one sentence, take a clear position), follow with the criteria you used to reach it, develop two to four points of evidence (with the strongest first), acknowledge a counterpoint or limitation, and close by returning to the judgement. If a marker can highlight one sentence and quote your stance from it, you have done your job. If they cannot find your stance, you have described or explained when the question asked you to evaluate.

Across every state and subject, the same three command-word traps account for a disproportionate share of lost marks in extended response questions.

Every board publishes its definitions. Read the one for your state, and read the verbs that appear most often in your subject's past papers.

Knowing the definitions is one thing. Reading them under exam pressure is another. The habits that actually move marks are simple but need deliberate repetition.

• Circle the verb before you write: every question, every time. Make it physical and mechanical so it survives exam stress.
• Write the depth it demands at the top of your answer: "evaluate = judgement + criteria + evidence". One line, then write the response.
• Match the structure to the verb: describe gets paragraphs of features, explain gets cause-effect chains, evaluate opens with a stance.
• Use spaced repetition on the glossary: pair this with spaced repetition and active recall so the definitions are second nature, not something you have to retrieve mid-exam.
• Compare your answer to the marking guide: when you practise with past papers, the marking guide tells you what verb-shaped response was expected. Read it after every attempt.

The fastest feedback loop is the one that flags command-word misreads while you can still remember why you wrote what you wrote. Instant AI feedback aligned to your state's marking criteria catches a describe-as-explain or evaluate-without-judgement immediately, so the lesson lands while it is still fresh. For subject-specific guidance on what depth top-band markers reward, see how to move from Band 5 to Band 6 in HSC sciences (the principles transfer directly to Band A in QCE, high study scores in VCE, and top scaling in WACE).

Read the Verb. Then Write the Answer.

Most students treat the command word as part of the question wording. It is not. It is the rubric, written in plain English, telling you exactly what depth and structure the marker is about to award marks for. Learn the families, drill the distinctions, and circle the verb every time. The marks come back fast.