What is the Meaning & Definition of low

It is usually designated with the term of low to that or those persons who have died or suffered trauma, injury or accident, in the context of a war or a natural disaster, as it may be the case of an earthquake or an avalanche. Mostly I do not know why people tend to reduce the concept of low to those who died in any of the circumstances mentioned above, it is also correct to call him casualties suffered those problems but that did not die. Only excludes the term those who only suffered small injuries.
Meanwhile, when a person completes a position in a company, either because he resigned, he was dismissed or because directly, he was forced to do so because it is already at retirement age, is also usually tell or speak low in charge.
The word is also associated with that document that a medical professional be extended to a person to document, justify and leave record that is subject to medical treatment and which for that reason may not go to work as usual.
And following in the path of documents or certificates, usually, when you want to cancel your subscription to any service, as it can be the case of cable television, is often referred to this situation as low.
And in other of its many meanings, the low end is used to indicate the short stature that holds a person and to mark the descent in price experienced by any product or service of consumption.