What is a portal?

Portal, originally intended as the main portal, is now mostly used in Internet portals, mobile Internet portals and enterprise application systems. It refers to Websites that integrate diversified content services, also known as web portals. The word web Portal comes from English portal, also known as web Portal and portal site, which originally means "portal" or "main portal". It is generally believed that the Internet portal is the starting point for Internet surfers, and people can enter the online world through this portal, which can also be regarded as the "starting port" and the first stop on the Internet. ]