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A

A method of comparing two versions of a screen or feature to determine which performs better based on user behavior. Useful for optimizing conversion rates and user engagement.
The portion of a screen visible to users without scrolling. Crucial for capturing attention and conveying essential information immediately.
A collapsible UI component that expands or contracts to reveal or hide content dynamically. Useful for FAQs, settings, and organizing dense information.
A way for different services to communicate. APIs define what kind of information you can get or send between systems. Bloom uses APIs to connect your app to external services. See API Connections.
A credential that authenticates your app when connecting to external services like OpenAI, Stripe, or analytics platforms. Bloom provides auto-provisioned keys for quick setup, or you can use your own. See API Connections.
A lightweight version of an iOS app that users can access instantly without downloading from the App Store. Bloom uses App Clips for instant sharing, allowing testers to try your app by scanning a QR code.
The process of verifying a user’s identity. Bloom uses OAuth to let users sign in with existing accounts from Google, GitHub, or Apple. See Authentication.
A text input that dynamically suggests matching results as users type, improving usability in search fields and forms.

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B

The server-side part of your app that handles data storage, business logic, and integrations. In Bloom, your backend is powered by Convex and is automatically configured. See Backend Dashboard.
A small visual indicator, often used on icons or buttons, to show notifications, counts, or status updates.
API keys and OAuth credentials that Bloom provides and maintains for you. These let you get started immediately without creating accounts with external providers. You can switch to your own credentials at any time.
A clickable element that initiates an action or event, such as submitting a form, navigating to a screen, or triggering a feature.

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C

An interactive box that users can check or uncheck to select or deselect an option, allowing multiple selections within a set.
The percentage of users who complete a desired action, such as signing up, making a purchase, or completing onboarding.
The backend platform that powers every Bloom app. Convex provides a real-time database, serverless functions, file storage, and scheduled tasks. Learn more at docs.convex.dev.
The ability to run on multiple operating systems from a single codebase. Bloom apps are cross-platform by default, running on iOS, Android, and the web.
An acronym for Create, Read, Update, Delete, the four basic operations for managing data. When you describe features to Bloom, it implements the appropriate CRUD operations automatically.
A prompt, often in the form of a button or link, encouraging users to perform a specific action, such as “Sign Up,” “Get Started,” or “Learn More.”

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D

Bloom’s recommended approach to prompting: Describe the user, Narrate the journey, and set the Atmosphere. This framework helps you communicate your vision effectively. See Prompting Best Practices.
The main Bloom interface where you manage your apps, view usage, and access settings. Also refers to the Backend Dashboard for monitoring your Convex deployment.
A UI element that lets users select a date from a calendar instead of manually typing it.
The process of making your app available to users. In Bloom, this can mean generating a share link (instant) or publishing to app stores (requires review).
A window that appears in front of the main content to capture user attention, often requiring an action before returning to the primary interface.
A panel that slides in from the side of the screen to display navigation options or settings without disrupting the main content.

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E

Configuration values stored securely outside your code, typically used for API keys and secrets. Bloom lets you manage environment variables directly in the workspace. See API Connections.
The React Native framework that powers Bloom’s frontend. Expo enables cross-platform development with native performance and features like hot reload and over-the-air updates. Learn more at docs.expo.dev.
The ability to download your Bloom project as code. You can export your Expo + Convex codebase to continue development locally or sync with GitHub.

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F

A small icon displayed in the browser tab, bookmarks, and search results, typically representing your app or brand.
A structured collection of input fields allowing users to submit data, such as contact information, settings, or search queries.
The user-facing part of your app, including screens, buttons, forms, and navigation. In Bloom, your frontend is built with Expo (React Native).
An app that includes both frontend (user interface) and backend (server, database, logic). Every Bloom app is full-stack by default.
A piece of backend logic that runs on the server. In Convex, functions handle database queries, mutations, and scheduled tasks. You can view your functions in the Backend Dashboard.

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G

The process of Bloom creating or updating your app based on your prompts. Each time you describe a change, Bloom generates the necessary code and configuration.
A web-based platform for version control and collaborative software development using Git. Bloom projects can be synced with GitHub for code export and collaboration.
A gradual transition between two or more colors in design, often used for backgrounds, buttons, or decorative elements.

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H

A development feature that updates your app instantly when changes are made, without losing the current state. Bloom’s preview uses hot reload so you see changes in real time.

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I

Bloom’s feature that lets you share your app immediately via link or QR code, without app store approval. See Instant Sharing.
A connection between your app and an external service, like a payment processor, analytics tool, or AI model. See Integrations.

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L

The real-time view of your app in the Bloom workspace. Changes you make appear in the preview immediately, letting you test as you build.
A visual indicator that represents a process in progress, such as loading a screen or submitting a form.
Records of events, errors, and activity in your app. Bloom provides unified logs for both frontend and backend. See Logs.

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M

A Convex function that modifies data in the database (create, update, or delete operations). Mutations are automatically generated when you describe data changes to Bloom.
Minimum Viable Product. The simplest version of your app that delivers core value. Bloom is ideal for building MVPs quickly to test ideas with real users.

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O

An authentication standard that lets users sign in using existing accounts (like Google or GitHub) without sharing their passwords with your app. Bloom uses OAuth for all authentication.
A pattern where the interface updates immediately before the server confirms the change, making the app feel faster. Bloom implements optimistic updates automatically for a responsive user experience.

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N

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P

A fictional representation of a target user, based on research, to guide design and development decisions. Useful when describing users to Bloom.
A transient overlay that presents additional information or options related to a specific UI element, typically appearing upon user interaction.
A horizontal bar that indicates the completion percentage of a task or process.
A web app that can be installed on a device and used like a native app. On Android, Bloom apps shared via link run as PWAs.
The natural language description you give Bloom to create or modify your app. Effective prompts describe the user, their journey, and the desired atmosphere.

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Q

A Convex function that reads data from the database. Queries are reactive in Convex, meaning your UI updates automatically when the underlying data changes.
A scannable code that links to your shared app. Users can scan the QR code with their phone camera to open your app instantly.

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R

A set of related radio buttons permitting users to select only one option from multiple choices.
A framework for building native mobile apps using JavaScript and React. Expo (which Bloom uses) is built on top of React Native.
The automatic synchronization of data across all connected devices. When data changes in Convex, all users see the update instantly without refreshing.
The process of restructuring existing code without changing its external behavior to improve readability, maintainability, or performance.
An approach to design ensuring that content adapts seamlessly across various device sizes and orientations, providing an optimal user experience.
The percentage of users who continue using your app over time. A key metric for measuring product success.

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S

The structure of your database, defining what tables exist and what fields they contain. Bloom creates schemas automatically based on your descriptions.
A cloud computing model where the provider manages servers automatically. Convex is serverless, meaning your backend scales without any infrastructure management.
A placeholder UI that mimics the layout of the final content while waiting for it to load, improving perceived performance.
A control that allows users to set a value within a range by sliding a handle along a track.
A component used for multi-step processes, showing users their current step and guiding them through completion.
A service for storing and managing files such as images, videos, and documents. Convex includes built-in file storage for your Bloom apps.
A toggle control enabling users to switch between two states, such as on or off, often resembling a physical switch.

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T

A component that organizes content into separate views within a single interface, allowing users to switch between sections without navigating away.
A basic UI element where users can enter text, such as in search bars, login forms, or comments.
A cohesive set of design choices, including colors, fonts, and layouts, that define the overall aesthetic and user experience of an app.
A brief, non-intrusive notification that appears temporarily to inform users of an action’s outcome or provide simple feedback.
A small pop-up box that provides additional information when hovering over or focusing on an element.
A security measure that requires users to provide two forms of identification before accessing an account.

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U

The series of steps a user takes to achieve a specific goal within your app. Understanding user journeys helps you design better experiences and write more effective prompts.
A short, simple description of a feature or requirement written from the perspective of an end user. Example: “As a user, I want to save my progress so I can continue later.”

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V

A style of AI-assisted development where you describe the feel and experience you want rather than technical specifications. Bloom is designed for vibe coding.

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W

An event-driven HTTP callback that notifies external applications when specific actions occur in your app.
The main Bloom interface for building your app, including the chat, code view, preview, and backend tools. Everything you need is in one place.

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