tag
metadata used for classifications or adding of informations
medical identification tag
dog tag, bracelet, or other jewelry worn to provide medical information in an emergency
hashtag
word or an unspaced phrase prefixed with the number sign, used to categorise a topic
IP address
label used to identify a network interface of a computer or other network node
point code
unique address of a node (or signaling point) over an SS7 switched network, for the MTP layer 3 protocol
revision tag
textual label associated with a specific revision of a project