Octane Area Light
This is the most common Octane light type. The light can have various shapes (figure 1). To do this, select the Octane Light from the Object Manager. In the Details tab, choose the shape you want from the Area Shape drop down menu below. The C4D standard area light is supported as well with the use of the Octane Light Tag.
Figure 1: Octane Area Light Shapes.
Octane Targeted Area Light
This light type is used to lock the area light to a specific object. This light places the Cinema 4D's Target Tag on the light.
Figure 2: An area light targeting a scene object.