MERN stack
MongoDB, Express, React, and Node.js used together as a common full stack JavaScript-oriented architecture.
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Developer glossary
Short definitions with see-also links into BharatSkills courses and technology pages.
API
Application Programming Interface: a contract for how programs exchange data and commands, often over HTTP.
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Deployment
Publishing an application to a server or cloud environment so users can access it reliably with monitoring and rollback plans.
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Responsive design
Layouts that adapt across screen sizes using fluid grids, flexible media, and breakpoint-aware CSS.
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Authentication
Verifying who a user is (login). Often paired with authorization, which decides what they can access.
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Database index
A data structure that speeds up reads by trading extra storage and write overhead for faster lookups.
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Git branch
A movable pointer to a commit line that lets teams isolate features and merge when stable.
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JSX
A syntax extension for JavaScript used by React to describe UI structure in a component-oriented way.
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async / await
JavaScript syntax for writing asynchronous control flow with readable, sequential-looking code.
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On-page SEO
Optimizations inside your pages: titles, headings, internal links, structured data, and helpful content depth.
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