What are cookies?
A cookie is a small file used by your browser that allows it to save information about a user who has interacted with a website. They are primarily used to save user sessions.
What is a meeting?
A session is like an ID card, but I tend to think of it as a pass that allows a user to access a site for a certain period of time. In addition, there are special sessions ( logins ) that give users unique privileges.
Why use cookies to store sessions?
There are various reasons that justify australian whatsapp number the use of session cookies. Here are some descriptive scenarios.

When you add items to your shopping cart ( for e-commerce sites ), then the site saves this information so your shopping cart will retain its products whether you are on the same page or another.
If you read information online, the website can back up your IP address and show you information about your region.
Cookies also store information about the user's authentication to each specific website. This information is used each time the user returns to that website. At this point, the cookie will allow them to log in automatically.
The type of cookies
Like their counterparts in the physical world, cookies come in different flavors:
Session Cookies : These cookies save information about a user's activities during one session. Usually, these are permanent information for as long as you browse the website, but are deleted at the end of the session.
Persistent Cookies : You will also hear of these under the name Tracking Cookies. These Cookies remain on your computer until they expire or are deleted. They are used to manage user preferences over longer periods of time.
Laws governing cookies
Those who do not accept websites storing their personal information may wonder whether this is legal.
The European Union has made a statement about this and it follows Directive 2009/136/EC You will often hear this law referred to as the “ European Cookie Law ”. To put it simply, the legislation requires websites in Europe to ask users for consent to save certain types of Cookies.
Outside of Europe the issue is that you as the owner of the website decide how to use Cookies, but recent confusion regarding incremental user numbers and advertisers has shown that users are suspicious of and dislike being spied on.
Check out the article WordPress GDPR: What This Means for Your Blog Going Further