A period of time during which something is scheduled to happen or be completed. A specific duration or deadline within which an activity or project must be finished.
A compound word formed from 'time' (Old English 'tima') and 'frame' (Old Norse 'frami'), becoming common in business and project management contexts in the mid-20th century as formal planning methodologies developed.
While 'timeframe' is sometimes written as two words or hyphenated, it's increasingly accepted as one word in modern usage, reflecting how compound words naturally evolve in English. The concept became crucial during World War II military planning and later spread to civilian project management.
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