metadata
metadata — noun
1. Details attached to a digital item — like a photo, document, or song — that expl
Details attached to a digital item — like a photo, document, or song — that explain when, where, or by whom it was created, or what it contains, so that the item can be organised and found more easily.
Every smartphone photo contains metadata — the date, time, and GPS location where it was shot.
collocation: contains metadata / metadata such as
The music app displays metadata like the artist's name, album title, and track number for each song.
subject: app displays metadata
Researchers extract metadata from scientific papers to quickly find studies on a specific topic.
Before sharing a photo online, Leila checked the metadata to make sure her home address was not visible.
- tags
more informal; often refers to user-generated keywords rather than structured technical descriptions
- labels
general term for categories assigned to files or data, usually chosen by the user
- descriptors
more formal, used in library or database cataloguing contexts
用法筆記
Metadata is the plural form of 'metadatum', but in modern usage it is almost always treated as an uncountable noun that takes a singular verb: 'The metadata shows…', not '…show…'.