views

There are five different views available in darktable:

lighttable
Manage images and collections.
darkroom
Develop a single image.
map
Show images with a geo-tag data on a map and manually geo-tag new images.
print
Send images to your printer.
slideshow
Display images as a slideshow, processing them on-the-fly.
tethering
Remotely capture and save images taken with a connected camera.

You can switch between views by clicking the view name at the top of the right panel (the currently active view is highlighted) or by using one of the following keyboard shortcuts:

L 	switch to lighttable
D 	switch to darkroom
M 	switch to map
P 	switch to print
S 	switch to slideshow
T 	switch to tethering