1# Process Model (FA Model)
2
3
4The process model is shown below.
5
6
7- All PageAbility, ServiceAbility, DataAbility, and FormAbility components of an application (with the same bundle name) run in the same process, which is **Main process** in green in the figure.
8
9- WebView has an independent render process, which is **Render process** in yellow in the figure.
10
11**Figure 1** Process model
12
13![process-model-fa](figures/process-model-fa.png)
14
15
16The system provides the following inter-process communication (IPC) mechanism:
17
18Common events: This mechanism is used in one-to-many communication scenarios. Multiple subscribers may receive events at the same time.
19