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: person who works professionally in a library, and is usually trained in librarianship

photograph: image created by light falling on a light-sensitive surface

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

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