Glossary
One entry per term across education, marketing and AI. A one line definition first, then the evidence and our own writing.
- EducationDialogic reading상호작용식 책 읽기A way of sharing a book in which the adult asks and responds rather than only reading aloud.
- EducationDual coding이중부호화The theory that words and images are stored through separate channels, so pairing them gives memory two routes back.
- EducationFine motor skills소근육 운동 능력Control of the small movements of the hand and fingers, the base that handwriting sits on.
- EducationGeneration effect생성 효과The finding that people remember information better when they produce it themselves than when they only read it.
- EducationJoint attention공동 주의A state in which adult and child attend to the same thing. Names given at that moment stick best.
- EducationMastery learning and the 2 sigma problem완전학습과 2시그마 문제Letting a learner master one step before moving on. Combined with one to one tutoring it produced a large achievement gap in Bloom's report.
- EducationPhonics파닉스Teaching the relationship between letters and sounds in a planned order so that children can decode words.
- EducationPhonological awareness음운 인식The ability to hear, split and manipulate the sounds of speech. It develops before letters and underpins reading.
- EducationRetrieval practice인출 연습Practising by pulling information out of memory instead of rereading it. For the same time spent it lasts longer than restudying.
- EducationScaffolding스캐폴딩Giving support in the range where a learner can succeed with help, then removing it step by step.
- EducationSelf reference effect자기참조 효과Information processed in relation to oneself is remembered better, and the gap is larger for children.
- EducationSpacing effect간격 효과For the same total study time, spreading it over several sessions produces longer lasting memory than one massed block.
- EducationVocabulary spurt어휘 폭발A period when known words increase sharply. Notably, it does not appear in every child.
- MarketingAARRRAARRRAcquisition, activation, retention, revenue and referral: five stages for reading how a product grows.
- MarketingB2B2CB2B2CReaching end consumers through a business partner, which means convincing both sides.
- MarketingConversion rate optimization전환율 최적화Raising the share of visitors who take the action you want, improving results without raising ad spend.
- MarketingCustomer journey map고객 여정 지도A map of the path a customer takes from noticing a problem through purchase and repurchase.
- MarketingD2CD2CSelling straight from brand to consumer without a middle channel, typically through your own store.
- MarketingLTV and CACLTV 와 CACLifetime value is what one customer leaves behind; customer acquisition cost is what it took to get them. Their ratio says whether the business holds.
- MarketingPerformance marketing퍼포먼스 마케팅Spending and adjusting budget against measurable outcomes such as clicks, installs or purchases.
- MarketingSTPSTPSegmentation, targeting and positioning: split the market, pick one part, and claim a place in that group's mind.
- AI and techEmbedding임베딩A representation of text or images as a vector of numbers, where similar meanings sit closer together.
- AI and techFine tuning파인튜닝Taking an already trained model and training it a little further on your own data.
- AI and techImage segmentation이미지 세그멘테이션Separating the pixels that belong to each object in an image, answering where with an outline rather than a box.
- AI and techRAGRAGFetching relevant documents first and answering from them, rather than from memory alone.
- AI and techText to speech음성 합성Turning text into speech, including systems that imitate a particular voice from a short recording.
- AI and techVision language model비전 언어 모델A model that handles images and text together, so a picture and a word can be compared for fit.
- AI and techZero shot제로샷Asking a model to do a task it was not specifically trained for, using only a description.