icon, vector, symbol, icon set, graphical user interface, line icon, stroke - illness, accuracy, alertness, application form, cloud computing, communication, correspondence, data, document, e-mail, e-mail inbox, e-mail spam, envelope, exchanging, expressionism, global communications, infographic, information equipment, information medium, internet, letter - document, letterbox format, mail, mailbox, message, note - message, note pad, office supply, online messaging, paperwork, portability, report - document, send, sending, text, text messaging, advice, announcement message, business, business finance and industry, delivering, employment and labor, form - document, form filling, form of communication, information sign, pen, pencil, printed media, printout, receiving, reportage, writing - activity,