Focus vs Source - What's the difference?
focus | source |
(countable, optics) A point at which reflected or refracted rays of light converge.
(countable, geometry) A point of a conic at which rays reflected from a curve or surface converge.
(uncountable, photography, cinematography) The fact of the convergence of light on the photographic medium.
* {{quote-magazine, year=2013, month=July-August, author=
, magazine=(American Scientist), title= (uncountable, photography, cinematography) The quality of the convergence of light on the photographic medium.
(uncountable) Concentration of attention.
(countable, seismology) The exact point of where an earthquake occurs, in three dimensions.
(computing, graphical user interface) The indicator of the currently active element in a user interface.
(linguistics) The most important word or phrase in a sentence or passage, or the one that imparts information.
To cause (rays of light, etc) to converge at a single point.
To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane.
To concentrate one's attention.
To concentrate one’s attention.
The person, place or thing from which something (information, goods, etc.) comes or is acquired.
* {{quote-book, year=2006, author=(Edwin Black)
, title=Internal Combustion, chapter=2 * {{quote-magazine, date=2013-07-06, volume=408, issue=8843, page=68, magazine=(The Economist)
, title= Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates.
* {{quote-magazine, date=2013-08-16, author=
, volume=189, issue=10, page=8, magazine=(The Guardian Weekly)
, title= A reporter's informant.
(computing) Source code.
(electronics) The name of one terminal of a field effect transistor (FET).
(chiefly, US) To obtain or procure:
To find information about (a quotation)'s source (from which it comes): to find a citation for.
In transitive terms the difference between focus and source
is that focus is to adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane while source is to find information about (a quotation)'s source from which it comes: to find a citation for.focus
English
(wikipedia focus)Noun
Catherine Clabby
Focus on Everything, passage=Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus'.
Verb
- You'll need to focus the microscope carefully in order to capture the full detail of this surface.
- Focus on passing the test.
- If you're going to beat your competitors, you need to focus .
Usage notes
The spellings focusses'', ''focussing'', ''focussed'' are more common in Commonwealth English than in American English, but in both varieties they are less common than the spellings ''focuses'', ''focusing'', ''focused .Derived terms
* focus group * in focus * out of focussource
English
(wikipedia source)Noun
(en noun)citation, passage=More than a mere source of Promethean sustenance to thwart the cold and cook one's meat, wood was quite simply mankind's first industrial and manufacturing fuel.}}
The rise of smart beta, passage=Investors face a quandary. Cash offers a return of virtually zero in many developed countries; government-bond yields may have risen in recent weeks but they are still unattractive. Equities have suffered two big bear markets since 2000 and are wobbling again. It is hardly surprising that pension funds, insurers and endowments are searching for new sources of return.}}
John Vidal
Dams endanger ecology of Himalayas, passage=Most of the Himalayan rivers have been relatively untouched by dams near their sources . Now the two great Asian powers, India and China, are rushing to harness them as they cut through some of the world's deepest valleys.}}