Maps may tell essential truth without pretending to give a complete picture.
"Fahrenheit 9/11" is a tendentious, flawed movie, but it tells essential truths about leaders who exploited a national tragedy for political gain, and the ordinary Americans who paid the price.
The appropriations bill also blocks the Clean Water Rule - essential clean water protections that the Senator has been told were essential if he wanted his bill to have any real meaning.
Economic growth is good, we are told, and essential to all we do.
PhD studentships also – by far – surpass those post-doctoral opportunities which we are all told are essential to establishing ourselves as viable candidates with a serious chance of getting a full-time and permanent position.
A four-minute YouTube film told the essential story: in 2012, a tape had been found containing material from the sessions that produced the original album, which had sparked the idea of returning to this period anew.
There is conflicting advice all over the internet about training plans, nutrition and scary sounding stuff like "strength and conditioning" which, I was told, were essential to the successful runner.
And flamenco, with its music and dance, supplies the ritual element that we are told was essential to Greek tragedy but which is often absent from modern productions of it.
"Until very recently," Dr. Elan D. Louis, a pioneering neurologist and epidemiologist at the College of Physicians and Surgeons at Columbia University, told me, "essential tremor was thought to have no known pathology, no changes in the brain, which led to a medical dead end".
This profile told us essential information like what is already in their bag, what type of photography they are interested in and of course, what is on their wish list".
