Glossary

The technical terms and abbreviations used on this site, each explained in a sentence or two.

Artificial intelligence and product

Artificial intelligence (AI): programs that generate text, images or other answers from patterns learned in large amounts of data.
Web app: a program you use in the browser, at the product's own address.
Chatbot: a program that replies to messages in a text conversation.
Model: the trained program behind an artificial intelligence, which generates the answers.

Static files: pages stored ready-made as files, with no database.
Developer tools: the browser panel that shows what a page loads and what it stores on your device.
Cookie: a small file a site saves in your browser so it can recognise it later.
Local storage: space in the browser where a site can keep data on your device.
Tracker: code that follows what a person does on one or more pages, usually to measure audiences or sell advertising.
Advertising pixel: a tracker that tells an advertising platform when a page is opened.
Script: a piece of code the browser runs inside a page.

CNPJ: Cadastro Nacional da Pessoa Jurídica, the registration number of companies with Brazil's federal tax authority.
Legal name: the name under which the company is registered.
Vulnerability disclosure: telling the company about a security flaw and allowing time for a fix before making it public.
CVV: Centro de Valorização da Vida, a Brazilian emotional support service run by volunteers. Its number is 188.
SAMU: Serviço de Atendimento Móvel de Urgência, Brazil's public emergency medical service. Its number is 192.

Accessibility: the work of making sure people with different disabilities can use a site.
WCAG: Web Content Accessibility Guidelines, the international accessibility guidelines for the web, published by the W3C.
Screen reader: a program that reads the screen aloud for people who are blind or have low vision.
Assistive technology: tools such as screen readers, magnifiers and adapted keyboards, used by people with disabilities.
Contrast: the difference in brightness between text and its background. The higher it is, the easier the text is to read.

Page updated on October 1, 2026