This document presents the Website Communication Model (WCM) for understanding websites. It describes websites as consisting of four pillars: content and services, technical instruments, managers, and users. The document explains each pillar in detail. It also notes that understanding the context is important. According to the WCM, a website can be defined as "a set of contents and services, created by a group of people and made available to users through technical instruments, situated within a relevant market."