WEBBTegnet J har mange betydninger: Forkortelse for joule (afledt SI-enhed for energi), Kendingsbogstav for biler fra Japan. J var ved valg til Europaparlamentet partibogstavet for Junibevægelsen. Juliet står for J i NATO's fonetiske alfabet, som bruges af bl.a. piloter.
WEBBJ, or j, is the tenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its usual name in English is jay (pronounced / ˈ dʒ eɪ /), with a now-uncommon variant jy / ˈ dʒ aɪ /.
WEBBj, tenth letter of the alphabet. It was not differentiated from the letter i until comparatively modern times. It was the custom in medieval manuscripts to lengthen the letter I when it was in a prominent position, notably when it was initial.