A laser pointer is a device used for pointing.
Pointer is a concept that is used in different ways according to the context and geographical region. It may be the instrument used to point to something on a screen, blackboard, map, or other surface. What a pointer allows is for the observer to focus their attention on what is pointed at.
For example: “With a pointer, the general marked the position of the enemy troops and began to explain how the offensive would develop,” “My geography teacher couldn't teach the class if he didn't have a pointer at hand,” “The boy took the pointer and hit the teacher on the head” , “The manager highlighted the word with the mouse pointer and surprised everyone” .
laser pointer
Specifically, based on that meaning, we would have to highlight the existence of what is known as a laser pointer . It is a device with an elongated shape and, as a general rule, the size of a pencil that is identified because at one end it has a system that allows laser light to be projected onto the desired location.
Currently, there are many teachers who resort to using a laser pointer in class, when it comes to working with images on the blackboard or on projection screens, since the light will help them indicate certain aspects that they want or even point out particularities of images.
Regulation of use
However, the use of these pointers has become so widespread that they have become toys . However, this should not be allowed since if the laser they emit is pointed directly at another person's eyes it can cause serious damage to their retinas.
In some countries the authorities are quite strict regarding the use of these devices in certain places. And they have been used by individuals lacking coherence both to aim at the eyes of pilots when planes were about to take off or even in soccer stadiums in order to annoy their rival and prevent them from doing their job properly. Thus, for example, the Portuguese footballer Cristiano Ronaldo was the victim of one during a match between his then team, Manchester United , and Olympique Lyonnais .
The reinforcement of the toe of a shoe is known as a toe cap.
Other uses of the term pointer
The term leading company is also used to name the person who stands out in a field or the cutting-edge company: “It is a leading manufacturer in everything that has to do with electronics” , “We need to hire a law firm that is leading in these matters."
On the other hand, the athlete or team that leads the standings or a competition is classified as a leader: “With this victory, the local team was three points behind the leader,” “The leader continues to stretch the advantage with a new record.” back” , “Deportivo San Jorge remains undefeated leader” .
In soccer , the pointer is a striker who usually runs around the area of the playing field close to the side lines: “The team needs to be reinforced with a left pointer and a central midfielder,” “With two goals from the pointer, Brazil defeated Hungary at the start of the tournament.”
Toe, finally, is the sector, reinforcement or patch of a shoe or stocking that protects the tips of the fingers.