noun

backend

/ˈbækɛnd/ · say it: BAK·end

the server-side parts of software users don't see

In Technology & Computing

In more detail

1. (noun) the part of a computer system that handles data processing and storage, not seen by users

2. (noun) the rear part of something, especially a building or vehicle

Examples

1. The backend of the website stores all the customer information in a database.
2. The backend of the car was damaged in the accident.

How to use backend

Backend refers to the technical infrastructure and data processing layers of software systems that users do not directly interact with, as opposed to the visible frontend. In non-technical contexts, it simply means the rear portion of a physical structure or vehicle. The term is widely used in software development, IT, and web design to distinguish system components.

Common phrases

backend system
backend server
backend infrastructure
backend database
backend processing
backend developer

Synonyms

back end · server-side · background system · rear section · back part

Opposites

frontend · front · user interface

Word family

back-end (adjective) · back-ender (noun)

A common mistake

Learners often confuse backend with background or think it can only refer to physical spaces; it is distinctly a technical term in computing contexts and should not be used interchangeably with general 'behind-the-scenes' scenarios.

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