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The "New" keyword is typically used in object-oriented programming languages, such as Java or C#, to create a new instance of a class or an object. When you use the "New" keyword, you are allocating memory in your program to hold the data and properties of that new instance. It is important to use the "New" keyword when working with objects to prevent potential programming errors and unexpected behavior.

Let's imagine a simple class named "Person" written in Java, which has two properties: name and age. ```java public class Person { String name; int age; public Person(String name, int age) { this.name = name; this.age = age; } public void displayInfo() { System.out.println("Name: " + name); System.out.println("Age: " + age); } } ``` In order to create a new instance of the Person class and invoke the displayInfo() method, we will use the "New" keyword as follows: ```java public class Main { public static void main(String[] args) { Person person1 = new Person("John Doe", 25); person1.displayInfo(); } } ``` The line 'Person person1 = new Person("John Doe", 25);' creates a new instance of the Person class, with the name "John Doe" and age 25.

It is essential to understand and correctly use the "New" keyword while working with object-oriented programming languages. Failing to do so can result in programming errors, unexpected behaviors, or memory management issues in your code. By using the "New" keyword, you ensure that you allocate adequate memory for your objects and maintain the proper structure of your program.