{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.interest-possession","code":"thing-interest-possession","url":"https://ver.cy/models/thing/interest-possession/","name":"interest","alternateNames":["compound interest","simple interest"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Society, people and institutions","entryKind":"noun.possession","plane":"SOC","domain":["SOC.ECO"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"social","origin":"conceptual","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"A charge for borrowing money, or a return for lending or saving it, usually expressed as a percentage of the principal per period; calculated as simple or compound interest and disclosed as rates such as APR or AER.","purpose":"Let an agent explain interest by type, calculation and disclosure, help people compare offers using official rate information, and route people in debt to free advice, without personal financial advice.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Cost of borrowing or reward for saving","Expressed as a rate","Compounding matters","Disclosure is regulated"],"structure":{"bundles":[{"id":"calculation","name":"Calculation","description":"How much.","layers":[{"id":"simple","name":"Simple and compound","description":"Formulas.","findings":[{"id":"simple-finding","name":"Simple and compound","description":"Interest calculation.","questions":[{"text":"How much interest accrues on this amount at this rate over this period?","kind":"measurement"},{"text":"Is it simple or compound, and how often is it compounded?","kind":"definition"}]}]},{"id":"rates","name":"Rates","description":"APR and AER.","findings":[{"id":"rates-finding","name":"Rates","description":"Rate measures.","questions":[{"text":"What do APR and AER mean in this offer?","kind":"definition"},{"text":"Are fees included in the rate?","kind":"boundary"}]}]}]},{"id":"comparison","name":"Comparison","description":"Offers.","layers":[{"id":"compare","name":"Compare","description":"Like for like.","findings":[{"id":"compare-finding","name":"Compare","description":"Comparing offers.","questions":[{"text":"Are the offers compared on the same rate measure and term?","kind":"boundary"},{"text":"What is the total cost of credit?","kind":"measurement"}]}]},{"id":"advice","name":"Advice","description":"Personal finance.","findings":[{"id":"advice-finding","name":"Advice","description":"Advice limit.","questions":[{"text":"Is the user asking which loan or account to choose?","kind":"boundary"},{"text":"How should they be referred to a regulated or free adviser?","kind":"action"}]}]}]},{"id":"debt","name":"Debt","description":"Help.","layers":[{"id":"struggling","name":"Struggling","description":"Debt problems.","findings":[{"id":"struggling-finding","name":"Struggling","description":"Debt problems.","questions":[{"text":"Is the person struggling with repayments?","kind":"boundary"},{"text":"Which free debt advice services exist here?","kind":"provenance"}]}]},{"id":"scams","name":"Scams","description":"Loan scams.","findings":[{"id":"scams-finding","name":"Scams","description":"Loan scams.","questions":[{"text":"Is this lender authorised by the financial regulator?","kind":"provenance"},{"text":"Are upfront fees a warning sign?","kind":"boundary"}]}]}]},{"id":"economy","name":"Economy","description":"Policy rates.","layers":[{"id":"policy","name":"Policy","description":"Central bank rate.","findings":[{"id":"policy-finding","name":"Policy","description":"Policy rates.","questions":[{"text":"What is the current central bank policy rate, according to the central bank?","kind":"provenance"},{"text":"When was it last changed?","kind":"provenance"}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","findings":[{"id":"senses-finding","name":"Senses","description":"Other senses.","questions":[{"text":"Is interest as curiosity or a stake meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Calculate interest stating the rate, period and whether it is simple or compound.","Explain the annual percentage rate and total cost of credit."],"mustNot":["Hide the true cost of interest in loan offers.","Give personal financial advice on borrowing or saving.","Help arrange loans at rates above legal limits.","Target people in hardship with high-interest loans."],"requiresHuman":["Loan decisions."]},"ethics":{"considerations":["High-interest debt traps poor people.","Some faiths prohibit interest; this deserves respect."],"affectedParties":["Borrowers","Savers","Low-income households"]},"owners":{"steward":"The lender and borrower under a contract; financial regulators set rules.","roles":[],"masterSystems":["Credit reference records"]},"relations":[{"target":"oewn-13339169-n","type":"parent","note":"registry parent class"},{"target":"charge and financial return","type":"related","note":"category"},{"target":"percentage","type":"related","note":"form"},{"target":"loan and savings account","type":"related","note":"products"},{"target":"interest (curiosity)","type":"related","note":"another sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.interest-possession","Open English WordNet: oewn-13339606-n"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Rates such as APR and AER","Simple versus compound interest","Interest as curiosity is a different sense","Not physical; rates and amounts on statements and agreements."]},"capabilities":{"applicability":"required","items":["calculate simple and compound interest","understand APR and AER","compare loan or savings offers","find free debt advice"]},"hazards":{"applicability":"required","items":["Underestimating compounding","High-cost credit traps","Agents giving personal financial advice"]},"interfaces":{"applicability":"required","items":["EU Consumer Credit Directive","Usury and interest rate caps in some countries","Central bank policy rates"]},"context":{"applicability":"required","items":["Pricing loans and rewarding savings.","simple interest","compound interest","fixed and variable rates","APR and AER","penalty and default interest"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-13339606-n","url":"https://en-word.net/id/oewn-13339606-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: interest","url":"https://en.wiktionary.org/wiki/interest","note":"word senses and usage"}],"openQuestions":["Should rate types be separate entries?","How should official rate data be linked?","How should debt help be localised?"],"resources":{"spec":"/models/things/publications/thing-interest-possession/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-interest-possession/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T11:01:52Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:27+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass","interaction.properties":"Plane SOC: no invented physical properties."},"score":1.0}}