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According to the context in which it is used, the term threshold You can refer various questions ...

Entry or beginning of any question that begins

In its broadest sense, the threshold may refer to the entry or the beginning of any question that begins, for example, “we are already on the threshold of a new year”; "The imminent completion of the race It puts me on the threshold of a new stage ”.

Lower part that is located opposite the lintel of a doorway

The other use is to refer to that lower part, which is located opposite the lintel of a doorway.

While, at the request of the architecture, the threshold also finds a formal reference that says it is that tree that is crossed at the top of an opening in order to support the wall that is above. The threshold is one of the most common parts of a building like a house.

Minimum value from which the effects of any physical agent or a system begin to be perceptible

And the other of the uses that the word finds is the minimum value from which the effects of any physical agent or a system begin to be perceptible

. Our senses They have a minimum sensitivity level and we call this threshold.

For example, the luminous threshold, which is the minimum amount of light that the human eye can capture in complete darkness. So the threshold is the less stimulus in the realm of probabilities, which has a 50 percent chance of being detected.

The sound threshold is the minimum intensity of sound that a human ear is capable of hearing. Of course, this threshold is not the same in all people, but we all have a minimum level in this regard.

Something similar happens with the pain threshold, we all have a minimum level in which a received stimulus awakens us sensation of pain. But of course, that threshold varies from person to person... there will be those who feel the needle of extraction of blood and feel a supreme pain that they cannot bear, while there are other people who do not feel anything in the same situation.

Those things or situations that have a lower value or quantity

Likewise, the term is recurrently used in the language colloquial when you want to account for those things or situations that have a lower value or quantity, for example, "Juan has a low threshold of patience, so you have to avoid making him angry."

Poverty threshold: minimum income that a person needs to have a correct standard of living and not be considered poor

On the other hand, the term is used in economy and in statistics in this sense to form a concept of recurrent use in these areas, the threshold of poverty.
The poverty line is the minimum income level that a person needs to have a correct standard of living and not be considered poor. This threshold tends to run to higher levels in the more developed countries while it is The opposite happens in less developed countries, where of course, poverty is entrenched and more extended.

While this threshold is determined from the realization of a forecast of everything essential that a person needs to live in a compliant way during a calendar year. When the money that the person receives does not cover these demands, the person will be considered below the poverty line.

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