From English "Webpage. Self part web resource - a document with its own unique URL, written using hypertext markup (usually HTML).

In addition to markup language elements, web pages may include various scripts, making it dynamic, as well as text, graphic, video and other types of content, which as a result are displayed to Internet users using programsbrowsers. 

Most often, web page files are .html, .htm or extensions .php.

Linked collection of web pages located within one domain, forms a website.