domain is a very popular term used in computer and information technology. Users generally do not know or misinterpret the domain keyword meaning. The domain can be used in different areas of computer science. In this tutorial, we will learn Domain meaning and types with the purpose and difference with the Domain and Hosting.
domain是计算机和信息技术中非常流行的术语。 用户通常不了解或误解domain关键字的含义。 该域可用于计算机科学的不同领域。 在本教程中，我们将学习域的含义和类型，以及与域和托管的目的和区别。
域类型 (Domain Types)
Domain definition can be used in different areas in computer science or information technology. We can use the domain keyword in the following areas of computing.
域定义可以在计算机科学或信息技术的不同领域中使用。 我们可以在以下计算领域中使用domain关键字。
- Internet Domain 互联网域
- Network Domain网络域
- Windows DomainWindows域
互联网域(Internet Domain)
The most popular and the default usage and meaning of the domain is the internet domain. Internet domain is used to set canonical names to the specific web site, service, and IP addresses. Normally internet works over Internet Protocol or IP. IP addresses consist of the 32-bit value which is presented in decimal like 192.168.1.1. Every web site has an IP address at least. For end and inter users human-friendly names are created which are called URL which consists of domains.
最流行的和默认的使用和意义domain是internet domain 。 Internet域用于将规范名称设置为特定的网站，服务和IP地址。 通常，Internet通过Internet协议或IP进行工作。 IP地址由32位值组成，该值以十进制形式显示，例如192.168.1.1 。 每个网站至少都有一个IP地址。 对于最终用户和内部用户，将创建人性化的名称，这些名称称为URL，由域组成。
For example https://www.poftut.com/index.php is the URL of this site. poftut.com is the domain of this site where the URL is created from this domain name. In order to translate between domain names and IP addresses, the DNS (Domain Name System) is used.
例如， https://www.poftut.com/index.php是此站点的URL。 poftut.com是此站点的域，从该站点创建URL。 为了在域名和IP地址之间进行转换，使用了DNS(域名系统)。
网络域 (Network Domain)
Another usage or definition for the Domain is network domain. Computer networks are consist of multiple hosts or nodes which are created for some purpose. According to this purpose, some rules and management domains are created. This group of computers is named as a single domain.
域的另一种用法或定义是network domain 。 计算机网络由出于某些目的而创建的多个主机或节点组成。 根据此目的，创建了一些规则和管理域。 这组计算机被命名为单个域。
