ଖୋଜା ଫଳାଫଳ

Portable Document Format: family of file formats used to present documents

documentary film: nonfictional motion picture

document: form for preservation of structured and identified information

librarian: curator of a library

text: object that can be "read" by reader; result of writing

computer file: contained block of information on a computer

technical standard: required norm or standard established to make it easier to do something in a consistent way