A short line of text that a web site puts on your computer's hard drive when you access the web site WordNet 3.0 & Open English WordNet

HTTP cookies are small blocks of data created by a web server while a user is browsing a website and placed on the user's computer or other device by the user's web browser. Wikipedia

A small parcel of information stored on computers by websites Wikipedia Disambiguation

Small piece of data sent from a website and stored on the user's computer by the user's web browser Wikidata

A text file passed from the Web server to the Web client (a user's browser) that is used to identify a user and could record personal information such as ID and password, mailing address, credit card number, and more. A cookie is what enables your favorite Web site to "recognize" you each time you visit. OmegaWiki