Each Workflow Designer window consists of:
Palette
The Elements tab of the palette contains workflow elements for most algorithms intergrated in UGENE and sets of common input / output routines. The elements are grouped into categories that reflect their uses and features. The Samples tab of the palette contains examples of workflow.
Scene
The main drawing scene is the place where the workflow elements are constructed into a workflow.
Property Editor
Provides information about a currently selected workflow element and allows configuring it.
On the image below you can see these components in a maximized Workflow Designer window:
All these components are resizable and can be adjusted to individual needs.