A file object can be a bitmap file used for documentation, or it can be a file containing text that is used for deployment into a server.
A file can be created in the following diagrams:
The symbol of a file object is as follows:
The file object can have a special function in a deployment diagram, where it can be specified as an artifact (by selecting the Artifact property) and generated during the generation process.
When you want to associate a file object to a node, you can drag a dependency from the file object to the node:
You can also use Ctrl and double-click on the parent node symbol, then create the file object into the node diagram.
You can edit a file object by right-clicking its symbol in the deployment diagram and selecting Open Document or from the contextual menu.