tag
noun [ C ]
uk/tæɡ/ usa small piece of paper, plastic, cloth, etc. attached to something that shows some information about it:
Many of the bibs have a tag sewn into the lining that contains the UPC number.
Valuable pieces are marked with a tag describing the item's age and pedigree.
The clerks wear black shirts and name tags.
COMMERCE (also smart tag)
a small electronic object that is attached to a product in order to give its position, or to stop people from stealing it:
Track your deliveries inventories with smart tags.
In agriculture, tags are used to track livestock.
IT
a series of letters, numbers, or symbols before or after a piece of electronic data that tells the computer how to treat it:
The tag is a link that takes you to a web page.
To put anything complicated in a web page you have to put it in tags.
See also
price tag
tag
verb [ T ]
uk/tæɡ/ us-gg-to put a tag on something:
The legal staff are being required to print, tag and collate the documents themselves.
Ranch hands will tag and track these cattle throughout the two years before they reach the packing plant.
tag sth with sth Each item is tagged with a price and where to buy it.
IT
to mark electronic data with a series of letters or numbers:
tag sth with sth Each download is tagged with an icon that identifies the type of file.