Key is a single character in a keyboard which can be physical or virtual.
Strike is the act of pressing or pushing something.
Keystroke is the act of pressing a key in a keyboard where the keyboard can be a complete, traditional, or more specialized keyboard.
Below we can see a keyboard keys that can be easily pressed which will send input into the system which is generally a computer. In order to make keystroke easy, fast and reliable keys contain arc under them which will push back the key into its previous position automatically. Also, keys contain some spaces between then in order to prevent accidentally wrong keystrokes.
Keystroke is a very frequent action of a computer or smartphone user. Generally, the keyboard is the most common and popular way to make input into the computer or smartphone. So there are different aims for making keystrokes.
Create A Text : Creating a text is one of the most possible reason to make keystrokes. Generally a text contains a lot of sentences, words and characters which can be typed with keystrokes.
Run Command : Commands can be executed with the key storekes. Especially
Enter is the most popular keystroke which is used to start execution of the typed command.
Run A Function or Start Action : Keys can be bind into a function or starting action. Single keystroke will start this action easily. For example function keys like F1, F2, … are generally bind into functions. For example
F1 keystroke will open the help information for the current application in most of the cases.
Keystroke logging can be used for the following cases. But keep in mind that keystroke logging is a legal issue and should be considered carefully.
Tracking Children : Keystroke logging can be used in schools or homes in order to monitor children and their activities. Even keystroke logging can be used to prevent them from using abusing content.
Tracking Workers : Especially in the remote work systems keystrokes provides important metrics and information about the worker. Keystroke logging can be used to track and monitor the workers efficiently and work ethics whether they are working properly or not. But keep in mind that the worker should be aware of that he/she is tracked and this can be a legal issue in some cases.
Spying : Well first of all spying is illegal but different groups like black hat hackers, gray hat hackers, governments use spying where keyboard stroking is a method for spying.