olemus
(a) raamiga, paigutusega vms esiletõstuga tekstiplokk
(b) kasutajaliidese element teksti sisestuseks

Wiktionary:
1. a block of printed text contained within borders that is intended to be read separately from the major text of the page
2. (computing, graphical user interface) a rectangular widget that accepts textual input on an interactive electronic display

näiteid
https://i.stack.imgur.com/7NRiy.png

https://confluence.atlassian.com/jirakb/files/732399321/732399304/1/1429663955610/create_issue_screen.jpg

https://www.mathworks.com/matlabcentral/answers/uploaded_files/31019/asdf.png