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What does "extensibility" mean in programming?
extensibility is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
How easily new features or capabilities can be added to a system without modifying existing code. Achieved through abstractions, interfaces, and principles like open/closed: open for extension, closed for modification.
Example
"The plugin architecture gives high extensibility — you can add new export formats without touching the core."
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