HiSET Reading key terms
HiSET Reading · Get comfortable with the vocabulary.
- main idea
- Related: supporting detail, summary, theme
The central point a passage communicates about its topic. It is often stated in a topic sentence or opening paragraph, but readers may need to infer it from details.
- supporting detail
- Related: main idea, evidence
A fact, example, reason, or description that explains or backs up a main idea. Details answer questions like who, what, when, where, why, or how.
- inference
- Related: explicit information, evidence, main idea
A reasonable conclusion drawn from clues in a text plus the reader's own knowledge. It is not stated directly, so readers must connect evidence to reach it.
- explicit information
- Related: inference, supporting detail
Information stated directly and clearly in a text, leaving little need for interpretation. Readers can point to the exact words that give the answer.
- author's purpose
- Related: tone, point of view
The reason an author writes a text, such as to inform, persuade, entertain, or explain. Purpose shapes the content, organization, and tone of the passage.
- tone
- Related: mood, author's purpose
The author's attitude toward the subject or audience, revealed through word choice and details. Tone might be serious, humorous, critical, or hopeful.
- mood
- Related: tone, figurative language
The feeling a text creates in the reader, often through setting, imagery, and word choice. Mood is related to tone but focuses on the reader's emotional response.
- point of view
- Related: tone, author's purpose
The perspective from which a text is told, such as first person, third-person limited, or third-person omniscient. It affects what information the reader receives.
- theme
- Related: main idea, inference
A message or insight about life or human nature that a literary work conveys. Themes are usually implied rather than stated directly and are supported by characters, events, and details.
- summary
- Related: main idea, supporting detail
A brief restatement of a text's main points in the reader's own words. A good summary keeps essential ideas and leaves out minor details or personal opinions.
- context clue
- Related: inference, explicit information
A word, phrase, or sentence near an unfamiliar word that helps readers figure out its meaning. Types include definitions, examples, contrasts, and restatements.
- figurative language
- Related: metaphor, simile, symbol
Language that goes beyond literal meaning to create vivid images or comparisons. It includes metaphors, similes, personification, and idioms.
- metaphor
- Related: simile, figurative language
A direct comparison that describes one thing as another without using 'like' or 'as.' Metaphors help readers see familiar ideas in new ways.
- simile
- Related: metaphor, figurative language
A comparison between two unlike things using 'like' or 'as.' Similes make descriptions more vivid and can reveal tone or mood.
- symbol
- Related: theme, figurative language
A person, place, object, or event that represents a larger idea or meaning beyond itself. Symbols are common in literature and often support a theme.
- compare and contrast
- Related: cause and effect, main idea
A reading skill that examines similarities and differences between two or more subjects. Signal words like 'both,' 'unlike,' and 'however' often point to comparisons or contrasts.
- cause and effect
- Related: compare and contrast, chronological order
A relationship in which one event or action makes another happen. Readers look for signal words such as 'because,' 'therefore,' 'result,' and 'leads to.'
- chronological order
- Related: cause and effect, transition
The arrangement of events in the order they happened in time. Dates, times, and words like 'first,' 'next,' and 'finally' help readers follow the sequence.
- fact and opinion
- Related: bias, credibility
A fact is a statement that can be proved true or false; an opinion expresses a belief, feeling, or judgment. Distinguishing them helps readers judge reliability.
- bias
- Related: fact and opinion, credibility
A preference or leaning that affects how a writer presents information or treats a subject. Bias can appear through word choice, selection of details, and omission.
- credibility
- Related: bias, evidence
The degree to which a source or author can be trusted. Credibility depends on accuracy, expertise, evidence, and freedom from obvious bias.
- claim
- Related: evidence, counterargument
A statement that a writer or speaker asks readers to accept as true. In an argument, the claim is the main point that evidence is meant to support.
- evidence
- Related: claim, credibility
Information used to support a claim, such as facts, examples, statistics, quotations, or expert opinions. Strong evidence is relevant, accurate, and sufficient.
- counterargument
- Related: claim, evidence
An opposing view or objection to a claim. Recognizing and answering counterarguments can make an argument stronger and more persuasive.
- thesis statement
- Related: topic sentence, claim
A sentence that states the main argument or central idea of an essay. It usually appears near the beginning and guides the organization of the whole piece.
- topic sentence
- Related: thesis statement, main idea
A sentence that introduces the main idea of a paragraph. It helps readers understand what the paragraph will explain and how it connects to the larger piece.
- transition
- Related: chronological order, topic sentence
A word, phrase, or sentence that connects ideas and shows how they relate. Transitions can signal addition, contrast, cause, sequence, or conclusion.
- subject-verb agreement
- Related: pronoun reference, run-on sentence
The rule that a subject and its verb must match in number and person. A singular subject takes a singular verb; a plural subject takes a plural verb.
- run-on sentence
- Related: subject-verb agreement, parallel structure
Two or more complete sentences joined without correct punctuation or a connecting word. It can confuse readers by blurring where one idea ends and another begins.
- parallel structure
- Related: transition, run-on sentence
Using the same grammatical form for items in a list or for ideas of equal importance. Parallelism makes writing clearer, smoother, and easier to follow.
- pronoun reference
- Related: subject-verb agreement, topic sentence
The relationship between a pronoun and the noun it replaces. Clear pronoun reference prevents confusion about who or what is being discussed.
- hypothesis
- Related: data, observation
A testable prediction or proposed explanation that can be checked through observation or experiment. A hypothesis guides scientific investigation and may be revised as evidence appears.
- data
- Related: hypothesis, observation, mean
Information collected through observation, measurement, or experiment. Data can be numbers, descriptions, or records and are analyzed to support or challenge explanations.
- observation
- Related: data, hypothesis
Information gathered directly through the senses or with instruments, rather than through guessing. Observations are the raw material of scientific inquiry.
- primary source
- Related: secondary source, historical context
A document, object, or record created by someone who took part in or witnessed an event. Examples include letters, diaries, photographs, and official records.
- secondary source
- Related: primary source, credibility
A work that interprets or analyzes events using primary sources and other evidence. Examples include textbooks, biographies, and history articles.
- historical context
- Related: primary source, bias
The social, political, economic, and cultural conditions surrounding an event or text. Understanding context helps readers interpret why people acted or wrote as they did.
- percent
- Related: ratio, mean
A rate or ratio out of 100. Percent means 'per hundred,' so 45% equals 45 out of 100, or 0.45.
- ratio
- Related: percent, mean
A comparison of two quantities by division, often written as a fraction or with a colon. Ratios describe how much of one thing exists relative to another.
- mean
- Related: data, percent
The arithmetic average of a set of numbers, found by adding all values and dividing by the number of values. The mean is one way to describe a data set's center.